Now I need to remove everything between the new "// --- Main ---" and the actual `int main(`:


33:// --- Main ---
1598:// --- Main ---

33:// --- Main ---
1598:// --- Main ---


There are two "// --- Main ---" markers. I need to remove everything between the first one (line 33) and the one before `int main(` (line 1598). Let me read what's at line 33-40:


    33→// --- Main ---
    34→
    35→class AdminCoverPool {
    36→public:
    37→    struct WorkItem {
    38→        uint32_t poly_id;
    39→        std::vector<std::pair<double,double>> vertices;
    40→    };
    41→
    42→    explicit AdminCoverPool(size_t num_threads) : stop_(false) {

// --- Main ---

class AdminCoverPool {
public:
    struct WorkItem {
        uint32_t poly_id;
        std::vector<std::pair<double,double>> vertices;
    };

    explicit AdminCoverPool(size_t num_threads) : stop_(false) {


I need to remove from line 33's "// --- Main ---" and everything below it up to (but not including) line 1598's "// --- Main ---". The simplest approach is to use a bash command to extract the parts I want:


Bash

cd /root/traccar-geocoder/builder/src && head -32 build_index.cpp > build_index_new.cpp && echo "" >> build_index_new.cpp && tail -n +1598 build_index.cpp >> build_index_new.cpp && mv build_index_new.cpp build_index.cpp && wc -l build_index.cpp

Extract includes and main() only


1146 build_index.cpp


Down to 1146 lines. Now I need to fix references. The file still references things like `kContinents` from the old local array. Let me check:


1114:        for (const auto& continent : kContinents) {


This should work since `kContinents` is declared extern in `continent_filter.h`. Now update CMakeLists.txt:


     1→cmake_minimum_required(VERSION 3.16)
     2→project(traccar-geocoder-build LANGUAGES CXX)
     3→
     4→set(CMAKE_CXX_STANDARD 17)
     5→set(CMAKE_CXX_STANDARD_REQUIRED ON)
     6→
     7→find_package(Threads REQUIRED)
     8→find_package(ZLIB REQUIRED)
     9→find_package(BZip2 REQUIRED)
    10→find_package(EXPAT REQUIRED)
    11→find_package(s2 QUIET)
    12→
    13→add_executable(build-index src/build_index.cpp)
    14→
    15→if(EXISTS /opt/homebrew/include)
    16→    target_include_directories(build-index PRIVATE /opt/homebrew/include)
    17→endif()
    18→
    19→if(s2_FOUND)
    20→    target_link_libraries(build-index PRIVATE
    21→        s2::s2
    22→        ZLIB::ZLIB
    23→        BZip2::BZip2
    24→        EXPAT::EXPAT
    25→        Threads::Threads
    26→    )
    27→else()
    28→    target_include_directories(build-index PRIVATE /usr/include/s2)
    29→    target_link_libraries(build-index PRIVATE
    30→        s2
    31→        ZLIB::ZLIB
    32→        BZip2::BZip2
    33→        EXPAT::EXPAT
    34→        Threads::Threads
    35→    )
    36→endif()
    37→

cmake_minimum_required(VERSION 3.16)
project(traccar-geocoder-build LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(Threads REQUIRED)
find_package(ZLIB REQUIRED)
find_package(BZip2 REQUIRED)
find_package(EXPAT REQUIRED)
find_package(s2 QUIET)

add_executable(build-index src/build_index.cpp)

if(EXISTS /opt/homebrew/include)
    target_include_directories(build-index PRIVATE /opt/homebrew/include)
endif()

if(s2_FOUND)
    target_link_libraries(build-index PRIVATE
        s2::s2
        ZLIB::ZLIB
        BZip2::BZip2
        EXPAT::EXPAT
        Threads::Threads
    )
else()
    target_include_directories(build-index PRIVATE /usr/include/s2)
    target_link_libraries(build-index PRIVATE
        s2
        ZLIB::ZLIB
        BZip2::BZip2
        EXPAT::EXPAT
        Threads::Threads
    )
endif()


Edit

add_executable(build-index
    src/build_index.cpp
    src/s2_helpers.cpp
    src/ring_assembly.cpp
    src/cache.cpp
    src/continent_filter.cpp
    src/cell_index.cpp
    src/interpolation.cpp
)


The file /root/traccar-geocoder/builder/CMakeLists.txt has been updated successfully.

add_executable(build-index
    src/build_index.cpp
    src/s2_helpers.cpp
    src/ring_assembly.cpp
    src/cache.cpp
    src/continent_filter.cpp
    src/cell_index.cpp
    src/interpolation.cpp
)

cmake_minimum_required(VERSION 3.16)
project(traccar-geocoder-build LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package(Threads REQUIRED)
find_package(ZLIB REQUIRED)
find_package(BZip2 REQUIRED)
find_package(EXPAT REQUIRED)
find_package(s2 QUIET)

add_executable(build-index src/build_index.cpp)

if(EXISTS /opt/homebrew/include)
    target_include_directories(build-index PRIVATE /opt/homebrew/include)
endif()

if(s2_FOUND)
    target_link_libraries(build-index PRIVATE
        s2::s2
        ZLIB::ZLIB
        BZip2::BZip2
        EXPAT::EXPAT
        Threads::Threads
    )
else()
    target_include_directories(build-index PRIVATE /usr/include/s2)
    target_link_libraries(build-index PRIVATE
        s2
        ZLIB::ZLIB
        BZip2::BZip2
        EXPAT::EXPAT
        Threads::Threads
    )
endif()


Now let's build:


Bash

cd /root/traccar-geocoder/builder/build && cmake .. -DCMAKE_BUILD_TYPE=Release 2>&1 | tail -5 && make -j$(nproc) 2>&1

Build modular project


Error: Exit code 2
-- Configuring done (0.0s)
-- Generating done (0.0s)
-- Build files have been written to: /root/traccar-geocoder/builder/build
[ 12%] Building CXX object CMakeFiles/build-index.dir/src/ring_assembly.cpp.o
[ 25%] Building CXX object CMakeFiles/build-index.dir/src/continent_filter.cpp.o
[ 37%] Building CXX object CMakeFiles/build-index.dir/src/interpolation.cpp.o
[ 50%] Building CXX object CMakeFiles/build-index.dir/src/cell_index.cpp.o
[ 62%] Building CXX object CMakeFiles/build-index.dir/src/build_index.cpp.o
[ 75%] Building CXX object CMakeFiles/build-index.dir/src/s2_helpers.cpp.o
[ 87%] Building CXX object CMakeFiles/build-index.dir/src/cache.cpp.o
In file included from /root/traccar-geocoder/builder/src/ring_assembly.cpp:2:
/root/traccar-geocoder/builder/src/geometry.h: In function 'bool is_included_highway(const char*)':
/root/traccar-geocoder/builder/src/geometry.h:200:18: error: 'strcmp' is not a member of 'std'
  200 |         if (std::strcmp(excluded, value) == 0) return false;
      |                  ^~~~~~
In file included from /root/traccar-geocoder/builder/src/interpolation.cpp:2:
/root/traccar-geocoder/builder/src/geometry.h: In function 'bool is_included_highway(const char*)':
/root/traccar-geocoder/builder/src/geometry.h:200:18: error: 'strcmp' is not a member of 'std'
  200 |         if (std::strcmp(excluded, value) == 0) return false;
      |                  ^~~~~~
make[2]: *** [CMakeFiles/build-index.dir/build.make:107: CMakeFiles/build-index.dir/src/ring_assembly.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [CMakeFiles/build-index.dir/build.make:163: CMakeFiles/build-index.dir/src/interpolation.cpp.o] Error 1
/root/traccar-geocoder/builder/src/build_index.cpp: In function 'int main(int, char**)':
/root/traccar-geocoder/builder/src/build_index.cpp:1114:38: error: range-based 'for' expression of type 'const ContinentBBox []' has incomplete type
 1114 |         for (const auto& continent : kContinents) {
      |                                      ^~~~~~~~~~~
make[2]: *** [CMakeFiles/build-index.dir/build.make:79: CMakeFiles/build-index.dir/src/build_index.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:87: CMakeFiles/build-index.dir/all] Error 2
make: *** [Makefile:91: all] Error 2


Two issues to fix:

1. `std::strcmp` needs `<cstring>` include in geometry.h
2. `kContinents[]` is an incomplete array type — need to know the size


Edit

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <functional>
#include <unordered_set>
#include <vector>

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <cstring>
#include <functional>
#include <unordered_set>
#include <vector>


The file /root/traccar-geocoder/builder/src/geometry.h has been updated successfully.

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <cstring>
#include <functional>
#include <unordered_set>
#include <vector>

#pragma once

#include <algorithm>
#include <cmath>
#include <cstdint>
#include <functional>
#include <unordered_set>
#include <vector>

// Coordinate key matching osmium's Location (int32_t nanodegrees).
// Two points at the same geographic location always produce the same key,
// regardless of their OSM node IDs (handles split/replaced nodes).
inline int64_t coord_key(double lat, double lng) {
    int32_t ilat = static_cast<int32_t>(lat * 1e7 + (lat >= 0 ? 0.5 : -0.5));
    int32_t ilng = static_cast<int32_t>(lng * 1e7 + (lng >= 0 ? 0.5 : -0.5));
    return (static_cast<int64_t>(ilat) << 32) | static_cast<uint32_t>(ilng);
}

// Approximate polygon area in square degrees (shoelace formula)
inline float polygon_area(const std::vector<std::pair<double,double>>& vertices) {
    double area = 0;
    size_t n = vertices.size();
    for (size_t i = 0; i < n; i++) {
        size_t j = (i + 1) % n;
        area += vertices[i].first * vertices[j].second;
        area -= vertices[j].first * vertices[i].second;
    }
    return static_cast<float>(std::fabs(area) / 2.0);
}

// Check if segment (a1,a2) crosses segment (b1,b2) using cross product orientation
inline bool segments_intersect(double ax1, double ay1, double ax2, double ay2,
                               double bx1, double by1, double bx2, double by2) {
    auto cross = [](double ox, double oy, double ax, double ay, double bx, double by) -> double {
        return (ax - ox) * (by - oy) - (ay - oy) * (bx - ox);
    };
    double d1 = cross(bx1, by1, bx2, by2, ax1, ay1);
    double d2 = cross(bx1, by1, bx2, by2, ax2, ay2);
    double d3 = cross(ax1, ay1, ax2, ay2, bx1, by1);
    double d4 = cross(ax1, ay1, ax2, ay2, bx2, by2);
    if (((d1 > 0 && d2 < 0) || (d1 < 0 && d2 > 0)) &&
        ((d3 > 0 && d4 < 0) || (d3 < 0 && d4 > 0))) {
        return true;
    }
    return false;
}

// Sweep-line inspired self-intersection check for rings.
// Brute force for small rings (<=32 segments), sweep-line pruning for large ones.
inline bool ring_has_self_intersection(const std::vector<std::pair<double,double>>& ring) {
    static constexpr size_t BRUTE_FORCE_THRESHOLD = 32;
    size_t n = ring.size();
    if (n < 4) return false;

    if (n <= BRUTE_FORCE_THRESHOLD) {
        for (size_t i = 0; i + 1 < n; i++) {
            for (size_t j = i + 2; j + 1 < n; j++) {
                if (j == i + 1 || (i == 0 && j == n - 2)) continue;
                if (segments_intersect(ring[i].first, ring[i].second,
                                       ring[i+1].first, ring[i+1].second,
                                       ring[j].first, ring[j].second,
                                       ring[j+1].first, ring[j+1].second))
                    return true;
            }
        }
        return false;
    }

    // For larger rings, sort segments by min-x and prune non-overlapping
    struct Seg { double min_x, max_x; size_t idx; };
    std::vector<Seg> segs(n - 1);
    for (size_t i = 0; i + 1 < n; i++) {
        double x1 = ring[i].second, x2 = ring[i+1].second; // use lng as x
        segs[i] = {std::min(x1,x2), std::max(x1,x2), i};
    }
    std::sort(segs.begin(), segs.end(), [](const Seg& a, const Seg& b) {
        return a.min_x < b.min_x;
    });

    for (size_t a = 0; a + 1 < segs.size(); a++) {
        for (size_t b = a + 1; b < segs.size(); b++) {
            if (segs[b].min_x > segs[a].max_x) break;
            size_t i = segs[a].idx, j = segs[b].idx;
            if (j == i + 1 || i == j + 1) continue;
            if ((i == 0 && j == n - 2) || (j == 0 && i == n - 2)) continue;
            if (segments_intersect(ring[i].first, ring[i].second,
                                   ring[i+1].first, ring[i+1].second,
                                   ring[j].first, ring[j].second,
                                   ring[j+1].first, ring[j+1].second))
                return true;
        }
    }
    return false;
}

// Check if a ring has duplicate coordinates (spikes/figure-8 from merged holes).
// A valid simple polygon visits each coordinate exactly once (except closing point).
inline bool ring_has_duplicate_coords(const std::vector<std::pair<double,double>>& ring) {
    std::unordered_set<int64_t> seen;
    for (size_t i = 0; i + 1 < ring.size(); i++) {
        int64_t k = coord_key(ring[i].first, ring[i].second);
        if (!seen.insert(k).second) return true;
    }
    return false;
}

// Douglas-Peucker line simplification
inline void dp_simplify(const std::vector<std::pair<double,double>>& pts,
                        size_t start, size_t end, double epsilon,
                        std::vector<bool>& keep) {
    if (end <= start + 1) return;

    double max_dist = 0;
    size_t max_idx = start;

    double ax = pts[start].first, ay = pts[start].second;
    double bx = pts[end].first, by = pts[end].second;
    double dx = bx - ax, dy = by - ay;
    double len_sq = dx * dx + dy * dy;

    for (size_t i = start + 1; i < end; i++) {
        double px = pts[i].first - ax, py = pts[i].second - ay;
        double dist;
        if (len_sq == 0) {
            dist = std::sqrt(px * px + py * py);
        } else {
            double t = std::max(0.0, std::min(1.0, (px * dx + py * dy) / len_sq));
            double proj_x = t * dx - px, proj_y = t * dy - py;
            dist = std::sqrt(proj_x * proj_x + proj_y * proj_y);
        }
        if (dist > max_dist) {
            max_dist = dist;
            max_idx = i;
        }
    }

    if (max_dist > epsilon) {
        keep[max_idx] = true;
        dp_simplify(pts, start, max_idx, epsilon, keep);
        dp_simplify(pts, max_idx, end, epsilon, keep);
    }
}

static constexpr size_t MAX_POLYGON_VERTICES = 500;

inline std::vector<std::pair<double,double>> simplify_polygon(
    const std::vector<std::pair<double,double>>& pts, size_t max_vertices = MAX_POLYGON_VERTICES) {
    if (pts.size() <= max_vertices) return pts;

    double lo = 0, hi = 1.0;
    std::vector<std::pair<double,double>> result;

    for (int iter = 0; iter < 20; iter++) {
        double epsilon = (lo + hi) / 2;
        std::vector<bool> keep(pts.size(), false);
        keep[0] = true;
        keep[pts.size() - 1] = true;
        dp_simplify(pts, 0, pts.size() - 1, epsilon, keep);

        size_t count = 0;
        for (bool k : keep) if (k) count++;

        if (count > max_vertices) {
            lo = epsilon;
        } else {
            hi = epsilon;
        }
    }

    std::vector<bool> keep(pts.size(), false);
    keep[0] = true;
    keep[pts.size() - 1] = true;
    dp_simplify(pts, 0, pts.size() - 1, hi, keep);

    result.clear();
    for (size_t i = 0; i < pts.size(); i++) {
        if (keep[i]) result.push_back(pts[i]);
    }
    return result;
}

// Parse leading digits from a house number string
inline uint32_t parse_house_number(const char* s) {
    if (!s) return 0;
    uint32_t n = 0;
    while (*s >= '0' && *s <= '9') {
        n = n * 10 + (*s - '0');
        s++;
    }
    return n;
}

// Highway types excluded from street indexing
inline bool is_included_highway(const char* value) {
    static const char* kExcluded[] = {
        "footway", "path", "track", "steps", "cycleway",
        "service", "pedestrian", "bridleway", "construction"
    };
    for (const char* excluded : kExcluded) {
        if (std::strcmp(excluded, value) == 0) return false;
    }
    return true;
}

#include <algorithm>
#include <cmath>
#include <cstdint>
+#include <cstring>
#include <functional>
#include <unordered_set>
#include <vector>


For the kContinents issue, the loop needs to know the array size. Fix it in build_index.cpp:


  1110→    if (generate_continents) {
  1111→        // Process continents in parallel (each filters independently from shared data)
  1112→        std::vector<std::future<void>> continent_futures;
  1113→        std::mutex cerr_mutex;
  1114→        for (const auto& continent : kContinents) {
  1115→            continent_futures.push_back(std::async(std::launch::async, [&, continent]() {
  1116→                {
  1117→                    std::lock_guard<std::mutex> lock(cerr_mutex);
  1118→                    std::cerr << "Filtering for continent: " << continent.name << "..." << std::endl;
  1119→                }
  1120→                auto subset = filter_by_bbox(data, continent);
  1121→                std::string base = output_dir + "/" + continent.name;
  1122→                ensure_dir(base);
  1123→                if (multi_output) {
  1124→                    // Write modes in parallel within each continent

    if (generate_continents) {
        // Process continents in parallel (each filters independently from shared data)
        std::vector<std::future<void>> continent_futures;
        std::mutex cerr_mutex;
        for (const auto& continent : kContinents) {
            continent_futures.push_back(std::async(std::launch::async, [&, continent]() {
                {
                    std::lock_guard<std::mutex> lock(cerr_mutex);
                    std::cerr << "Filtering for continent: " << continent.name << "..." << std::endl;
                }
                auto subset = filter_by_bbox(data, continent);
                std::string base = output_dir + "/" + continent.name;
                ensure_dir(base);
                if (multi_output) {
                    // Write modes in parallel within each continent


for (const auto& continent : kContinents) {

        for (size_t ci = 0; ci < kContinentCount; ci++) {
            const auto& continent = kContinents[ci];


The file /root/traccar-geocoder/builder/src/build_index.cpp has been updated successfully.

        for (size_t ci = 0; ci < kContinentCount; ci++) {
            const auto& continent = kContinents[ci];

#include <algorithm>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <cstring>
#include <deque>
#include <future>
#include <iostream>
#include <mutex>
#include <string>
#include <thread>
#include <unordered_set>
#include <vector>

#include <osmium/io/pbf_input.hpp>
#include <osmium/visitor.hpp>
#include <sys/mman.h>

#include <s2/s2cell_id.h>

#include "types.h"
#include "string_pool.h"
#include "geometry.h"
#include "parsed_data.h"
#include "s2_helpers.h"
#include "ring_assembly.h"
#include "relation_collector.h"
#include "interpolation.h"
#include "cache.h"
#include "continent_filter.h"
#include "cell_index.h"

// --- Main ---

int main(int argc, char* argv[]) {
    if (argc < 2) {
        std::cerr << "Usage: build-index <output-dir> <input.osm.pbf> [options]" << std::endl;
        std::cerr << "       build-index <output-dir> --load-cache <path> [options]" << std::endl;
        std::cerr << std::endl;
        std::cerr << "Options:" << std::endl;
        std::cerr << "  --street-level N       S2 cell level for streets (default: 17)" << std::endl;
        std::cerr << "  --admin-level N        S2 cell level for admin (default: 10)" << std::endl;
        std::cerr << "  --max-admin-level N    Only include admin levels <= N" << std::endl;
        std::cerr << "  --save-cache <path>    Save parsed data to cache file" << std::endl;
        std::cerr << "  --load-cache <path>    Load from cache instead of PBF" << std::endl;
        std::cerr << "  --multi-output         Write full, no-addresses, admin-only indexes" << std::endl;
        std::cerr << "  --continents           Also generate per-continent indexes" << std::endl;
        std::cerr << "  --mode <mode>          Index mode: full, no-addresses, admin-only (default: full)" << std::endl;
        std::cerr << "  --admin-only           Shorthand for --mode admin-only" << std::endl;
        std::cerr << "  --no-addresses         Shorthand for --mode no-addresses" << std::endl;
        return 1;
    }

    std::string output_dir = argv[1];
    std::vector<std::string> input_files;
    std::string save_cache_path;
    std::string load_cache_path;
    bool multi_output = false;
    bool generate_continents = false;
    IndexMode mode = IndexMode::Full;

    for (int i = 2; i < argc; i++) {
        std::string arg = argv[i];
        if (arg == "--street-level" && i + 1 < argc) {
            kStreetCellLevel = std::atoi(argv[++i]);
        } else if (arg == "--admin-level" && i + 1 < argc) {
            kAdminCellLevel = std::atoi(argv[++i]);
        } else if (arg == "--admin-only") {
            mode = IndexMode::AdminOnly;
        } else if (arg == "--no-addresses") {
            mode = IndexMode::NoAddresses;
        } else if (arg == "--max-admin-level" && i + 1 < argc) {
            kMaxAdminLevel = std::atoi(argv[++i]);
        } else if (arg == "--save-cache" && i + 1 < argc) {
            save_cache_path = argv[++i];
        } else if (arg == "--load-cache" && i + 1 < argc) {
            load_cache_path = argv[++i];
        } else if (arg == "--multi-output") {
            multi_output = true;
        } else if (arg == "--continents") {
            generate_continents = true;
        } else if (arg == "--mode" && i + 1 < argc) {
            std::string mode_str = argv[++i];
            if (mode_str == "full") {
                mode = IndexMode::Full;
            } else if (mode_str == "no-addresses") {
                mode = IndexMode::NoAddresses;
            } else if (mode_str == "admin-only") {
                mode = IndexMode::AdminOnly;
            } else {
                std::cerr << "Error: unknown mode '" << mode_str << "'" << std::endl;
                return 1;
            }
        } else {
            input_files.push_back(arg);
        }
    }

    ParsedData data;
    auto _pt = std::chrono::steady_clock::now();

    if (!load_cache_path.empty()) {
        // Load from cache
        if (!deserialize_cache(data, load_cache_path)) {
            std::cerr << "Error: failed to load cache" << std::endl;
            return 1;
        }
    } else {
        // Parse PBF files (always collect everything)
        if (input_files.empty()) {
            std::cerr << "Error: no input files specified and no --load-cache" << std::endl;
            return 1;
        }

        // Create thread pool for concurrent admin polygon S2 covering
        unsigned int num_threads = std::max(1u, std::thread::hardware_concurrency() > 4 ? std::thread::hardware_concurrency() - 4 : 1u);
        std::cerr << "Using " << num_threads << " worker threads." << std::endl;
        AdminCoverPool admin_pool(num_threads);
        // BuildHandler no longer used — parallel processing handles everything

        // Dense array node location index — lockless parallel writes
        // Planet OSM node IDs max ~12.5 billion. 8 bytes per Location = 100GB virtual.
        // MAP_NORESERVE means OS only allocates pages on write (~80GB for 10B nodes).
        static const size_t MAX_NODE_ID = MAX_NODE_ID_DEFAULT;
        struct DenseIndex {
            osmium::Location* data;
            size_t capacity;

            DenseIndex() : capacity(MAX_NODE_ID) {
                void* ptr = mmap(nullptr, capacity * sizeof(osmium::Location),
                    PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE,
                    -1, 0);
                if (ptr == MAP_FAILED) {
                    std::cerr << "Error: failed to mmap dense node index ("
                              << (capacity * sizeof(osmium::Location) / (1024*1024*1024)) << "GB virtual)" << std::endl;
                    std::exit(1);
                }
                data = static_cast<osmium::Location*>(ptr);
                std::cerr << "Allocated dense node index: " << (capacity * sizeof(osmium::Location) / (1024*1024*1024))
                          << "GB virtual address space" << std::endl;
            }

            ~DenseIndex() {
                munmap(data, capacity * sizeof(osmium::Location));
            }

            // Lockless — each node ID maps to a unique array slot
            void set(osmium::unsigned_object_id_type id, osmium::Location loc) {
                if (id >= capacity) {
                    std::cerr << "FATAL: node ID " << id << " exceeds dense index capacity " << capacity << std::endl;
                    std::exit(1);
                }
                data[id] = loc;
            }

            osmium::Location get(osmium::unsigned_object_id_type id) const {
                if (id >= capacity) return osmium::Location{};
                return data[id];
            }

            void set_batch(const std::vector<std::pair<osmium::unsigned_object_id_type, osmium::Location>>& batch) {
                for (const auto& [id, loc] : batch) {
                    if (id >= capacity) {
                        std::cerr << "FATAL: node ID " << id << " exceeds dense index capacity " << capacity << std::endl;
                        std::exit(1);
                    }
                    data[id] = loc;
                }
            }
        } index;

        for (const auto& input_file : input_files) {
            std::cerr << "Processing " << input_file << "..." << std::endl;

            // --- Pass 1: collect relation members for parallel admin assembly ---
            std::cerr << "  Pass 1: scanning relations..." << std::endl;
            RelationCollector rel_collector(data.collected_relations);

            {
                osmium::io::Reader reader1{input_file, osmium::osm_entity_bits::relation};
                osmium::apply(reader1, rel_collector);
                reader1.close();
            }
            std::cerr << "  Collected " << data.collected_relations.size()
                      << " admin/postal relations for parallel assembly." << std::endl;

            // --- Combined Pass 2+3: nodes then ways in a single PBF read ---
            // PBF guarantees ordering: nodes → ways → relations.
            // We read everything in one pass, processing nodes first, then
            // transitioning to way processing when the first way block arrives.
            log_phase("Pass 1: relation scanning", _pt);

            // Build admin_way_ids BEFORE the combined pass (needed during way processing)
            std::unordered_set<int64_t> admin_way_ids;
            for (const auto& rel : data.collected_relations) {
                for (const auto& [way_id, role] : rel.members) {
                    admin_way_ids.insert(way_id);
                }
            }
            std::cerr << "  Admin assembly needs " << admin_way_ids.size() << " way geometries." << std::endl;

            std::cerr << "  Pass 2+3: processing nodes and ways in single read..." << std::endl;

            {
                // Shared queue infrastructure for both phases
                std::mutex queue_mutex;
                std::condition_variable queue_cv;
                std::deque<osmium::memory::Buffer> block_queue;
                bool reader_done = false;
                const size_t MAX_QUEUE = MAX_BLOCK_QUEUE;

                struct NodeThreadLocal {
                    std::vector<std::pair<double,double>> addr_coords;
                    std::vector<std::pair<std::string,std::string>> addr_strings;
                    uint64_t count = 0;
                };
                std::vector<NodeThreadLocal> ntld(num_threads);
                std::atomic<uint64_t> blocks_done{0};

                // Worker threads
                std::vector<std::thread> node_workers;
                for (unsigned int t = 0; t < num_threads; t++) {
                    node_workers.emplace_back([&, t]() {
                        auto& local = ntld[t];
                        std::vector<std::pair<osmium::unsigned_object_id_type, osmium::Location>> loc_batch;
                        loc_batch.reserve(8192);

                        while (true) {
                            osmium::memory::Buffer block;
                            {
                                std::unique_lock<std::mutex> lock(queue_mutex);
                                queue_cv.wait(lock, [&]{ return !block_queue.empty() || reader_done; });
                                if (block_queue.empty() && reader_done) break;
                                block = std::move(block_queue.front());
                                block_queue.pop_front();
                            }
                            queue_cv.notify_one(); // wake reader if it was waiting

                            for (const auto& item : block) {
                                if (item.type() == osmium::item_type::node) {
                                    const auto& node = static_cast<const osmium::Node&>(item);
                                    if (!node.location().valid()) continue;
                                    loc_batch.push_back({node.positive_id(), node.location()});

                                    const char* housenumber = node.tags()["addr:housenumber"];
                                    if (housenumber) {
                                        const char* street = node.tags()["addr:street"];
                                        if (street) {
                                            local.addr_coords.push_back({node.location().lat(), node.location().lon()});
                                            local.addr_strings.push_back({housenumber, street});
                                            local.count++;
                                        }
                                    }
                                }
                            }

                            // Flush location batch (sharded index handles its own locking)
                            if (!loc_batch.empty()) {
                                index.set_batch(loc_batch);
                                loc_batch.clear();
                            }

                            uint64_t n = blocks_done.fetch_add(1) + 1;
                            if (n % 1000 == 0) {
                                std::cerr << "  Processed " << n << " node blocks..." << std::endl;
                            }
                        }

                        // Flush remaining
                        if (!loc_batch.empty()) {
                            index.set_batch(loc_batch);
                        }
                    });
                }

                // Single reader for all entity types — processes nodes first,
                // then transitions to way processing when first way block arrives.
                osmium::io::Reader combined_reader{input_file};
                bool nodes_done = false;
                osmium::memory::Buffer first_way_buf; // stash the first way block

                // Phase 1: Feed node blocks to node workers
                while (auto buf = combined_reader.read()) {
                    // Check if this buffer contains nodes or ways/relations
                    bool has_node = false;
                    for (const auto& item : buf) {
                        if (item.type() == osmium::item_type::node) { has_node = true; break; }
                    }

                    if (has_node) {
                        std::unique_lock<std::mutex> lock(queue_mutex);
                        queue_cv.wait(lock, [&]{ return block_queue.size() < MAX_QUEUE; });
                        block_queue.push_back(std::move(buf));
                        queue_cv.notify_one();
                    } else {
                        // First non-node block — stash it and transition
                        first_way_buf = std::move(buf);
                        nodes_done = true;
                        break;
                    }
                }

                // Signal node workers done
                {
                    std::lock_guard<std::mutex> lock(queue_mutex);
                    reader_done = true;
                }
                queue_cv.notify_all();
                for (auto& w : node_workers) w.join();

                // Merge address points
                uint64_t total_addrs = 0;
                for (auto& local : ntld) {
                    for (size_t j = 0; j < local.addr_coords.size(); j++) {
                        uint64_t dummy = 0;
                        add_addr_point(data, local.addr_coords[j].first, local.addr_coords[j].second,
                                       local.addr_strings[j].first.c_str(),
                                       local.addr_strings[j].second.c_str(), dummy);
                    }
                    total_addrs += local.count;
                }
                std::cerr << "  Node processing complete: " << total_addrs
                          << " address points collected." << std::endl;
                log_phase("Pass 2: node processing", _pt);
                std::cerr << "  Processing ways with " << num_threads << " threads..." << std::endl;

                // --- Phase 2: Way processing using same reader ---

                // Thread-local data for parallel way processing
                struct ThreadLocalData {
                    std::vector<WayHeader> ways;
                    std::vector<NodeCoord> street_nodes;
                    std::vector<DeferredWay> deferred_ways;
                    std::vector<InterpWay> interp_ways;
                    std::vector<NodeCoord> interp_nodes;
                    std::vector<DeferredInterp> deferred_interps;
                    std::vector<AddrPoint> building_addrs;
                    std::vector<std::pair<double, double>> building_addr_coords; // lat,lng for S2 cell
                    std::vector<std::string> way_strings;      // way name strings
                    std::vector<std::pair<std::string,std::string>> addr_strings; // building addr {hn, street}
                    std::vector<std::string> interp_strings;   // interp street name strings
                    uint64_t way_count = 0;
                    uint64_t building_addr_count = 0;
                    uint64_t interp_count = 0;
                    // Way geometries for parallel admin assembly
                    struct WayGeomEntry {
                        int64_t way_id;
                        std::vector<std::pair<double,double>> coords;
                        int64_t first_node_id;
                        int64_t last_node_id;
                    };
                    std::vector<WayGeomEntry> way_geoms;
                    // Closed-way admin polygons (ways with boundary=administrative)
                    struct ClosedWayAdmin {
                        std::vector<std::pair<double,double>> vertices;
                        std::string name;
                        uint8_t admin_level;
                        std::string country_code;
                    };
                    std::vector<ClosedWayAdmin> closed_way_admins;
                };

                // Read buffers and dispatch to thread pool
                // Streaming producer-consumer for way blocks
                std::mutex way_queue_mutex;
                std::condition_variable way_queue_cv;
                std::deque<osmium::memory::Buffer> way_block_queue;
                bool way_reader_done = false;
                const size_t WAY_MAX_QUEUE = MAX_BLOCK_QUEUE;

                std::vector<ThreadLocalData> tld(num_threads);
                std::atomic<uint64_t> way_blocks_done{0};

                std::vector<std::thread> workers;
                for (unsigned int t = 0; t < num_threads; t++) {
                    workers.emplace_back([&, t]() {
                        auto& local = tld[t];
                        while (true) {
                            osmium::memory::Buffer block;
                            {
                                std::unique_lock<std::mutex> lock(way_queue_mutex);
                                way_queue_cv.wait(lock, [&]{ return !way_block_queue.empty() || way_reader_done; });
                                if (way_block_queue.empty() && way_reader_done) break;
                                block = std::move(way_block_queue.front());
                                way_block_queue.pop_front();
                            }
                            way_queue_cv.notify_one();

                            for (const auto& item : block) {
                                if (item.type() == osmium::item_type::way) {
                                    const auto& way = static_cast<const osmium::Way&>(item);

                                    // Resolve node locations (read-only from shared index)
                                    // We need to check if nodes have valid locations
                                    const auto& wnodes = way.nodes();

                                    // Address interpolation
                                    const char* interpolation = way.tags()["addr:interpolation"];
                                    if (interpolation) {
                                        if (wnodes.size() >= 2) {
                                            bool all_valid = true;
                                            for (const auto& nr : wnodes) {
                                                auto loc = index.get(nr.positive_ref());
                                                if (!loc.valid()) { all_valid = false; break; }
                                            }
                                            if (all_valid) {
                                                const char* street = way.tags()["addr:street"];
                                                if (street) {
                                                    uint32_t interp_id = static_cast<uint32_t>(local.interp_ways.size());
                                                    uint32_t node_offset = static_cast<uint32_t>(local.interp_nodes.size());

                                                    for (const auto& nr : wnodes) {
                                                        auto loc = index.get(nr.positive_ref());
                                                        local.interp_nodes.push_back({
                                                            static_cast<float>(loc.lat()),
                                                            static_cast<float>(loc.lon())
                                                        });
                                                    }

                                                    uint8_t interp_type = 0;
                                                    if (std::strcmp(interpolation, "even") == 0) interp_type = 1;
                                                    else if (std::strcmp(interpolation, "odd") == 0) interp_type = 2;

                                                    InterpWay iw{};
                                                    iw.node_offset = node_offset;
                                                    iw.node_count = static_cast<uint8_t>(std::min(wnodes.size(), size_t(255)));
                                                    iw.street_id = 0; // placeholder, intern later
                                                    iw.start_number = 0;
                                                    iw.end_number = 0;
                                                    iw.interpolation = interp_type;
                                                    local.interp_ways.push_back(iw);
                                                    local.interp_strings.push_back(street);
                                                    local.deferred_interps.push_back({interp_id, node_offset, iw.node_count});
                                                    local.interp_count++;
                                                }
                                            }
                                        }
                                        continue;
                                    }

                                    // Building addresses
                                    const char* housenumber = way.tags()["addr:housenumber"];
                                    if (housenumber) {
                                        const char* street = way.tags()["addr:street"];
                                        if (street && !wnodes.empty()) {
                                            double sum_lat = 0, sum_lng = 0;
                                            int valid = 0;
                                            for (const auto& nr : wnodes) {
                                                auto loc = index.get(nr.positive_ref());
                                                if (loc.valid()) {
                                                    sum_lat += loc.lat();
                                                    sum_lng += loc.lon();
                                                    valid++;
                                                }
                                            }
                                            if (valid > 0) {
                                                // Store coords for later S2 cell computation
                                                local.building_addr_coords.push_back({sum_lat / valid, sum_lng / valid});
                                                // Placeholder addr point — string IDs filled in during merge
                                                local.building_addrs.push_back({
                                                    static_cast<float>(sum_lat / valid),
                                                    static_cast<float>(sum_lng / valid),
                                                    0, 0 // placeholder string IDs
                                                });
                                                // Store strings for later interning
                                                local.addr_strings.push_back({housenumber, street});
                                                local.building_addr_count++;
                                            }
                                        }
                                    }

                                    // Highway ways
                                    const char* highway = way.tags()["highway"];
                                    if (highway && is_included_highway(highway)) {
                                        const char* name = way.tags()["name"];
                                        if (name && wnodes.size() >= 2) {
                                            bool all_valid = true;
                                            for (const auto& nr : wnodes) {
                                                auto loc = index.get(nr.positive_ref());
                                                if (!loc.valid()) { all_valid = false; break; }
                                            }
                                            if (all_valid) {
                                                uint32_t way_id = static_cast<uint32_t>(local.ways.size());
                                                uint32_t node_offset = static_cast<uint32_t>(local.street_nodes.size());

                                                for (const auto& nr : wnodes) {
                                                    auto loc = index.get(nr.positive_ref());
                                                    local.street_nodes.push_back({
                                                        static_cast<float>(loc.lat()),
                                                        static_cast<float>(loc.lon())
                                                    });
                                                }

                                                WayHeader header{};
                                                header.node_offset = node_offset;
                                                header.node_count = static_cast<uint8_t>(std::min(wnodes.size(), size_t(255)));
                                                header.name_id = 0; // placeholder, intern later
                                                local.ways.push_back(header);
                                                local.way_strings.push_back(name);
                                                local.deferred_ways.push_back({way_id, node_offset, header.node_count});
                                                local.way_count++;
                                            }
                                        }
                                    }

                                    // Store way geometry only for admin boundary member ways
                                    if (!wnodes.empty() && admin_way_ids.count(way.id())) {
                                        std::vector<std::pair<double,double>> geom;
                                        for (const auto& nr : wnodes) {
                                            auto loc = index.get(nr.positive_ref());
                                            if (loc.valid()) geom.push_back({loc.lat(), loc.lon()});
                                        }
                                        if (!geom.empty()) {
                                            int64_t first_nid = wnodes.front().positive_ref();
                                            int64_t last_nid = wnodes.back().positive_ref();
                                            local.way_geoms.push_back({way.id(), std::move(geom), first_nid, last_nid});
                                        }
                                    }

                                    // Handle closed ways that are admin boundaries themselves
                                    // Osmium creates areas from closed ways independently of
                                    // multipolygon relations, even if the way is a relation member.
                                    {
                                        const char* boundary = way.tags()["boundary"];
                                        if (boundary) {
                                            bool is_admin = (std::strcmp(boundary, "administrative") == 0);
                                            bool is_postal = (std::strcmp(boundary, "postal_code") == 0);
                                            if ((is_admin || is_postal) && wnodes.size() >= 4 &&
                                                wnodes.front().ref() == wnodes.back().ref()) {
                                                // Closed way forming an admin polygon
                                                uint8_t al = 0;
                                                if (is_admin) {
                                                    const char* level_str = way.tags()["admin_level"];
                                                    if (level_str) al = static_cast<uint8_t>(std::atoi(level_str));
                                                } else {
                                                    al = 11;
                                                }
                                                int max_al = is_postal ? 11 : 10;
                                                if (al >= 2 && al <= max_al && (kMaxAdminLevel == 0 || al <= kMaxAdminLevel)) {
                                                    const char* aname = way.tags()["name"];
                                                    if (!aname && is_admin) continue; // admin needs name
                                                    std::string name_str;
                                                    if (is_postal) {
                                                        const char* pc = way.tags()["postal_code"];
                                                        if (!pc) pc = aname;
                                                        if (!pc) continue; // postal needs postal_code or name
                                                        name_str = pc;
                                                    } else {
                                                        name_str = aname;
                                                    }
                                                    {
                                                        std::vector<std::pair<double,double>> verts;
                                                        bool all_valid = true;
                                                        for (const auto& nr : wnodes) {
                                                            auto loc = index.get(nr.positive_ref());
                                                            if (loc.valid()) {
                                                                verts.push_back({loc.lat(), loc.lon()});
                                                            } else { all_valid = false; break; }
                                                        }
                                                        if (all_valid && verts.size() >= 3) {
                                                            std::string cc;
                                                            if (al == 2) {
                                                                const char* iso = way.tags()["ISO3166-1:alpha2"];
                                                                if (iso) cc = iso;
                                                            }
                                                            local.closed_way_admins.push_back({
                                                                std::move(verts),
                                                                std::move(name_str),
                                                                al, std::move(cc)
                                                            });
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }

                            uint64_t done = way_blocks_done.fetch_add(1) + 1;
                            if (done % 1000 == 0) {
                                std::cerr << "  Processed " << done << " way blocks..." << std::endl;
                            }
                        }
                    });
                }

                // Way reader: use the combined_reader (continuing from where nodes left off)
                {
                    // First, push the stashed way buffer
                    if (first_way_buf) {
                        std::unique_lock<std::mutex> lock(way_queue_mutex);
                        way_queue_cv.wait(lock, [&]{ return way_block_queue.size() < WAY_MAX_QUEUE; });
                        way_block_queue.push_back(std::move(first_way_buf));
                        way_queue_cv.notify_one();
                    }
                    // Continue reading remaining blocks from the same reader
                    while (auto buf = combined_reader.read()) {
                        {
                            std::unique_lock<std::mutex> lock(way_queue_mutex);
                            way_queue_cv.wait(lock, [&]{ return way_block_queue.size() < WAY_MAX_QUEUE; });
                            way_block_queue.push_back(std::move(buf));
                        }
                        way_queue_cv.notify_one();
                    }
                    combined_reader.close();
                    {
                        std::lock_guard<std::mutex> lock(way_queue_mutex);
                        way_reader_done = true;
                    }
                    way_queue_cv.notify_all();
                }

                for (auto& w : workers) w.join();
                std::cerr << "  Parallel way processing complete." << std::endl;

                // Process areas/multipolygons — sequential fallback path
                // Merge thread-local way/interp data into main ParsedData
                std::cerr << "  Merging thread-local data..." << std::endl;
                uint64_t total_ways = 0, total_building_addrs = 0, total_interps = 0;
                for (auto& local : tld) {
                    uint32_t way_base = static_cast<uint32_t>(data.ways.size());
                    uint32_t node_base = static_cast<uint32_t>(data.street_nodes.size());
                    uint32_t interp_base = static_cast<uint32_t>(data.interp_ways.size());
                    uint32_t interp_node_base = static_cast<uint32_t>(data.interp_nodes.size());

                    // Merge street ways
                    for (size_t i = 0; i < local.ways.size(); i++) {
                        auto h = local.ways[i];
                        h.node_offset += node_base;
                        h.name_id = data.string_pool.intern(local.way_strings[i]);
                        data.ways.push_back(h);
                    }
                    data.street_nodes.insert(data.street_nodes.end(),
                        local.street_nodes.begin(), local.street_nodes.end());

                    // Remap deferred ways
                    for (auto dw : local.deferred_ways) {
                        dw.way_id += way_base;
                        dw.node_offset += node_base;
                        data.deferred_ways.push_back(dw);
                    }

                    // Merge building addresses
                    for (size_t i = 0; i < local.building_addrs.size(); i++) {
                        uint64_t dummy = 0;
                        add_addr_point(data, local.building_addrs[i].lat, local.building_addrs[i].lng,
                                       local.addr_strings[i].first.c_str(),
                                       local.addr_strings[i].second.c_str(), dummy);
                    }

                    // Merge interpolation ways
                    for (size_t i = 0; i < local.interp_ways.size(); i++) {
                        auto iw = local.interp_ways[i];
                        iw.node_offset += interp_node_base;
                        iw.street_id = data.string_pool.intern(local.interp_strings[i]);
                        data.interp_ways.push_back(iw);
                    }
                    data.interp_nodes.insert(data.interp_nodes.end(),
                        local.interp_nodes.begin(), local.interp_nodes.end());

                    // Remap deferred interps
                    for (auto di : local.deferred_interps) {
                        di.interp_id += interp_base;
                        di.node_offset += interp_node_base;
                        data.deferred_interps.push_back(di);
                    }

                    total_ways += local.way_count;
                    total_building_addrs += local.building_addr_count;
                    total_interps += local.interp_count;

                    // Merge way geometries for admin assembly
                    {
                        for (auto& wg : local.way_geoms) {
                            ParsedData::WayGeometry g;
                            g.coords = std::move(wg.coords);
                            g.first_node_id = wg.first_node_id;
                            g.last_node_id = wg.last_node_id;
                            data.way_geometries[wg.way_id] = std::move(g);
                        }
                        local.way_geoms.clear();
                        local.way_geoms.shrink_to_fit();
                    }
                }
                std::cerr << "  Merged: " << total_ways << " ways, "
                          << total_building_addrs << " building addrs, "
                          << total_interps << " interps from parallel processing." << std::endl;

                // --- Merge closed-way admin polygons ---
                {
                    uint64_t closed_way_admin_count = 0;
                    for (auto& local : tld) {
                        for (auto& cwa : local.closed_way_admins) {
                            const char* cc = cwa.country_code.empty() ? nullptr : cwa.country_code.c_str();
                            add_admin_polygon(data, cwa.vertices, cwa.name.c_str(),
                                              cwa.admin_level, cc, &admin_pool);
                            closed_way_admin_count++;
                        }
                        local.closed_way_admins.clear();
                    }
                    if (closed_way_admin_count > 0) {
                        std::cerr << "  Added " << closed_way_admin_count
                                  << " admin polygons from closed ways." << std::endl;
                    }
                }

                // --- Parallel admin boundary assembly ---
                {
                    log_phase("Pass 2b: way processing", _pt);
                    std::cerr << "  Assembling admin polygons in parallel ("
                              << data.collected_relations.size() << " relations, "
                              << data.way_geometries.size() << " way geometries)..." << std::endl;

                    // Thread-local admin results (to avoid locking add_admin_polygon)
                    struct AdminResult {
                        std::vector<std::pair<double,double>> vertices;
                        std::string name;
                        uint8_t admin_level;
                        std::string country_code;
                    };

                    std::vector<std::vector<AdminResult>> thread_admin_results(num_threads);
                    std::atomic<size_t> rel_idx{0};
                    std::atomic<uint64_t> assembled_count{0};

                    std::vector<std::thread> admin_workers;
                    for (unsigned int t = 0; t < num_threads; t++) {
                        admin_workers.emplace_back([&, t]() {
                            auto& local_results = thread_admin_results[t];
                            while (true) {
                                size_t i = rel_idx.fetch_add(1);
                                if (i >= data.collected_relations.size()) break;

                                const auto& rel = data.collected_relations[i];

                                // Skip level 2 border-line relations — these have names like
                                // "Deutschland - Österreich" (two countries separated by
                                // " - " or " — "). They are boundary lines, not country
                                // polygons, and produce self-intersecting geometry.
                                if (rel.admin_level == 2 && rel.country_code.empty() &&
                                    (rel.name.find(" - ") != std::string::npos ||
                                     rel.name.find(" \xe2\x80\x94 ") != std::string::npos)) { // " — " (em dash)
                                    assembled_count.fetch_add(1);
                                    continue;
                                }

                                // Skip relations with missing member ways —
                                // these cross the extract boundary and would produce
                                // incorrect partial polygons
                                bool has_missing = false;
                                for (const auto& [way_id, role] : rel.members) {
                                    if (data.way_geometries.find(way_id) == data.way_geometries.end()) {
                                        has_missing = true;
                                        break;
                                    }
                                }
                                if (has_missing) {
                                    assembled_count.fetch_add(1);
                                    continue;
                                }

                                auto rings = assemble_outer_rings(rel.members, data.way_geometries);
                                // If outer-only assembly failed, retry with all ways.
                                // Osmium ignores roles during assembly (check_roles=false) —
                                // inner ways sometimes form the boundary or bridge gaps.
                                // Filter retry results: discard rings with duplicate coords
                                // (figure-8 shapes from merging holes with outer boundary).
                                if (rings.empty()) {
                                    auto retry = assemble_outer_rings(rel.members, data.way_geometries, true);
                                    for (auto& ring : retry) {
                                        if (!ring_has_duplicate_coords(ring)) {
                                            rings.push_back(std::move(ring));
                                        }
                                    }
                                }

                                // Diagnostic: log relations with 0 rings produced
                                if (rings.empty() && !rel.members.empty()) {
                                    int total_ways = 0, found = 0, missing = 0;
                                    for (const auto& [way_id, role] : rel.members) {
                                        total_ways++;
                                        auto it = data.way_geometries.find(way_id);
                                        if (it != data.way_geometries.end() && !it->second.coords.empty()) {
                                            found++;
                                        } else {
                                            missing++;
                                        }
                                    }
                                    if (missing == 0 && found > 0) {
                                        std::string detail = "  DEBUG '" + rel.name + "': ways:";
                                        for (const auto& [way_id, role] : rel.members) {
                                            auto it = data.way_geometries.find(way_id);
                                            if (it == data.way_geometries.end()) continue;
                                            detail += " [w" + std::to_string(way_id) +
                                                      " first=" + std::to_string(it->second.first_node_id) +
                                                      " last=" + std::to_string(it->second.last_node_id) +
                                                      " n=" + std::to_string(it->second.coords.size()) + "]";
                                        }
                                        std::cerr << detail << std::endl;
                                    }
                                    std::cerr << "  WARN: relation '" << rel.name
                                              << "' (level " << (int)rel.admin_level
                                              << ", " << rel.members.size() << " members): "
                                              << "0 rings from " << total_ways << " ways ("
                                              << found << " found, " << missing << " missing)" << std::endl;
                                }

                                for (auto& ring : rings) {
                                    if (ring.size() >= 3) {
                                        AdminResult ar;
                                        ar.vertices = std::move(ring);
                                        ar.name = rel.name;
                                        ar.admin_level = rel.admin_level;
                                        ar.country_code = rel.country_code;
                                        local_results.push_back(std::move(ar));
                                    }
                                }

                                uint64_t done = assembled_count.fetch_add(1) + 1;
                                if (done % 10000 == 0) {
                                    std::cerr << "  Assembled " << done / 1000
                                              << "K admin relations..." << std::endl;
                                }
                            }
                        });
                    }
                    for (auto& w : admin_workers) w.join();

                    // Merge thread-local admin results into ParsedData (sequential, thread-safe)
                    uint64_t total_admin_rings = 0;
                    for (auto& local_results : thread_admin_results) {
                        for (auto& ar : local_results) {
                            const char* cc = ar.country_code.empty() ? nullptr : ar.country_code.c_str();
                            add_admin_polygon(data, ar.vertices, ar.name.c_str(),
                                              ar.admin_level, cc, &admin_pool);
                            total_admin_rings++;
                        }
                    }
                    std::cerr << "  Parallel admin assembly complete: "
                              << total_admin_rings << " polygon rings from "
                              << data.collected_relations.size() << " relations." << std::endl;

                    // Free collected data
                    data.collected_relations.clear();
                    data.collected_relations.shrink_to_fit();
                    data.way_geometries.clear();
                    std::unordered_map<int64_t, ParsedData::WayGeometry>().swap(data.way_geometries);
                }
            }
        }

        std::cerr << "Done reading:" << std::endl;
        std::cerr << "  " << data.ways.size() << " street ways" << std::endl;
        std::cerr << "  " << data.addr_points.size() << " address points" << std::endl;
        std::cerr << "  " << data.interp_ways.size() << " interpolation ways" << std::endl;
        std::cerr << "  " << data.admin_polygons.size() << " admin polygon rings" << std::endl;

        // Drain admin polygon thread pool (may still be processing)
        std::cerr << "Waiting for admin polygon S2 covering to complete..." << std::endl;
        auto admin_results = admin_pool.drain();
        for (auto& [cell_id, ids] : admin_results) {
            auto& target = data.cell_to_admin[cell_id];
            target.insert(target.end(), ids.begin(), ids.end());
        }
        std::cerr << "Admin polygon S2 covering complete (" << data.cell_to_admin.size() << " cells)." << std::endl;

        // --- Parallel S2 cell computation for ways and interpolation ---
        {
            log_phase("Admin assembly", _pt);
            std::cerr << "Computing S2 cells for ways with " << num_threads << " threads..." << std::endl;

            // Flat-array approach: threads emit (cell_id, item_id) pairs into
            // thread-local vectors, then we sort globally and group by cell_id.
            // This avoids hash maps entirely — sort is cache-friendly O(n log n).

            struct CellItem { uint64_t cell_id; uint32_t item_id; };

            auto _s2t = std::chrono::steady_clock::now();

            // Process streets: emit (cell_id, way_id) pairs
            std::cerr << "  Processing " << data.deferred_ways.size() << " street ways..." << std::endl;
            std::vector<std::vector<CellItem>> way_pairs(num_threads);
            {
                std::atomic<size_t> way_idx{0};
                std::vector<std::thread> threads;
                for (unsigned int t = 0; t < num_threads; t++) {
                    threads.emplace_back([&, t]() {
                        auto& local = way_pairs[t];
                        local.reserve(data.deferred_ways.size() / num_threads * 3);
                        std::vector<S2CellId> edge_cells;
                        std::vector<uint64_t> way_cells;
                        while (true) {
                            size_t i = way_idx.fetch_add(1);
                            if (i >= data.deferred_ways.size()) break;
                            const auto& dw = data.deferred_ways[i];
                            way_cells.clear();
                            for (uint8_t j = 0; j + 1 < dw.node_count; j++) {
                                const auto& n1 = data.street_nodes[dw.node_offset + j];
                                const auto& n2 = data.street_nodes[dw.node_offset + j + 1];
                                cover_edge(n1.lat, n1.lng, n2.lat, n2.lng, edge_cells);
                                for (const auto& c : edge_cells) way_cells.push_back(c.id());
                            }
                            std::sort(way_cells.begin(), way_cells.end());
                            way_cells.erase(std::unique(way_cells.begin(), way_cells.end()), way_cells.end());
                            for (uint64_t cell_id : way_cells) {
                                local.push_back({cell_id, dw.way_id});
                            }
                        }
                    });
                }
                for (auto& t : threads) t.join();
            }
            log_phase("  S2: street ways (parallel)", _s2t);

            // Process interpolations: emit (cell_id, interp_id) pairs
            std::cerr << "  Processing " << data.deferred_interps.size() << " interpolation ways..." << std::endl;
            std::vector<std::vector<CellItem>> interp_pairs(num_threads);
            {
                std::atomic<size_t> interp_idx{0};
                std::vector<std::thread> threads;
                for (unsigned int t = 0; t < num_threads; t++) {
                    threads.emplace_back([&, t]() {
                        auto& local = interp_pairs[t];
                        std::vector<S2CellId> edge_cells;
                        std::vector<uint64_t> way_cells;
                        while (true) {
                            size_t i = interp_idx.fetch_add(1);
                            if (i >= data.deferred_interps.size()) break;
                            const auto& di = data.deferred_interps[i];
                            way_cells.clear();
                            for (uint8_t j = 0; j + 1 < di.node_count; j++) {
                                const auto& n1 = data.interp_nodes[di.node_offset + j];
                                const auto& n2 = data.interp_nodes[di.node_offset + j + 1];
                                cover_edge(n1.lat, n1.lng, n2.lat, n2.lng, edge_cells);
                                for (const auto& c : edge_cells) way_cells.push_back(c.id());
                            }
                            std::sort(way_cells.begin(), way_cells.end());
                            way_cells.erase(std::unique(way_cells.begin(), way_cells.end()), way_cells.end());
                            for (uint64_t cell_id : way_cells) {
                                local.push_back({cell_id, di.interp_id});
                            }
                        }
                    });
                }
                for (auto& t : threads) t.join();
            }
            log_phase("  S2: interp ways (parallel)", _s2t);

            // Merge thread-local pairs into single vectors, sort, build cell maps
            std::cerr << "  Sorting and grouping cell pairs..." << std::endl;
            // Concatenate + sort helper for flat CellItem pairs
            // Parallel sort each thread's pairs, then k-way merge directly into
            // hash map + sorted output. No intermediate merged vector needed.
            auto parallel_sort_and_build = [](
                std::vector<std::vector<CellItem>>& thread_pairs,
                std::unordered_map<uint64_t, std::vector<uint32_t>>& cell_map,
                std::vector<CellItemPair>& sorted_out
            ) {
                // Step 1: Convert + sort each thread's data in parallel
                size_t total = 0;
                for (auto& v : thread_pairs) total += v.size();

                std::vector<std::vector<CellItemPair>> chunks(thread_pairs.size());
                {
                    std::vector<std::thread> sort_threads;
                    for (size_t t = 0; t < thread_pairs.size(); t++) {
                        sort_threads.emplace_back([&, t]() {
                            auto& src = thread_pairs[t];
                            auto& dst = chunks[t];
                            dst.reserve(src.size());
                            for (auto& ci : src) dst.push_back({ci.cell_id, ci.item_id});
                            src.clear(); src.shrink_to_fit();
                            std::sort(dst.begin(), dst.end(), [](const CellItemPair& a, const CellItemPair& b) {
                                return a.cell_id < b.cell_id || (a.cell_id == b.cell_id && a.item_id < b.item_id);
                            });
                        });
                    }
                    for (auto& t : sort_threads) t.join();
                }

                // Step 2: Concatenate sorted chunks and merge using parallel tree.
                // Each chunk is already sorted. Record run boundaries, concatenate,
                // then merge adjacent runs pairwise in parallel at each level.
                auto cmp = [](const CellItemPair& a, const CellItemPair& b) {
                    return a.cell_id < b.cell_id || (a.cell_id == b.cell_id && a.item_id < b.item_id);
                };

                // Record run boundaries before concatenation
                std::vector<size_t> run_bounds = {0};
                sorted_out.clear();
                sorted_out.reserve(total);
                for (auto& chunk : chunks) {
                    sorted_out.insert(sorted_out.end(), chunk.begin(), chunk.end());
                    run_bounds.push_back(sorted_out.size());
                    chunk.clear(); chunk.shrink_to_fit();
                }

                // Parallel tree merge: at each level, merge adjacent run pairs in parallel.
                // Level 0: merge runs (0,1), (2,3), ... → N/2 runs
                // Level 1: merge runs (01,23), (45,67), ... → N/4 runs
                // ... until one sorted run remains.
                while (run_bounds.size() > 2) {
                    std::vector<size_t> new_bounds = {0};
                    std::vector<std::thread> merge_threads;
                    for (size_t i = 0; i + 2 < run_bounds.size(); i += 2) {
                        size_t left = run_bounds[i];
                        size_t mid = run_bounds[i + 1];
                        size_t right = run_bounds[i + 2];
                        merge_threads.emplace_back([&, left, mid, right] {
                            std::inplace_merge(sorted_out.begin() + left,
                                               sorted_out.begin() + mid,
                                               sorted_out.begin() + right, cmp);
                        });
                        new_bounds.push_back(right);
                    }
                    // If odd number of runs, carry the last one forward
                    if (run_bounds.size() % 2 == 0) {
                        new_bounds.push_back(run_bounds.back());
                    }
                    for (auto& t : merge_threads) t.join();
                    run_bounds = std::move(new_bounds);
                }

                // Skip building hash map — sorted_out is used directly for writing.
                // cell_map stays empty (only needed for cache/continent modes).
            };

            // Sort each thread's pairs in parallel, then k-way merge directly
            // into hash map + sorted output. No intermediate merged vector.
            auto f_ways = std::async(std::launch::async, [&] {
                parallel_sort_and_build(way_pairs, data.cell_to_ways, data.sorted_way_cells);
            });
            auto f_interps = std::async(std::launch::async, [&] {
                std::vector<CellItemPair> interp_sorted; // not needed for writing
                parallel_sort_and_build(interp_pairs, data.cell_to_interps, interp_sorted);
            });
            f_ways.get();
            f_interps.get();
            log_phase("  S2: sort + group into cell maps", _s2t);

            // Free deferred work items
            data.deferred_ways.clear();
            data.deferred_ways.shrink_to_fit();
            data.deferred_interps.clear();
            data.deferred_interps.shrink_to_fit();

            std::cerr << "S2 cell computation complete." << std::endl;
        }

        // Resolve interpolation endpoints
        std::cerr << "Resolving interpolation endpoints..." << std::endl;
        resolve_interpolation_endpoints(data);

        // Deduplicate + convert to sorted pairs for fast writing
        log_phase("S2 cell computation", _pt);
        std::cerr << "Deduplicating + sorting for write..." << std::endl;
        {
            // Convert addr hash map to sorted pairs.
            // Sort cell IDs only (30M unique), then build pairs in sorted order.
            // Much faster than sorting all 160M pairs.
            auto f2 = std::async(std::launch::async, [&] {
                // Extract and sort unique cell IDs
                std::vector<uint64_t> sorted_cells;
                sorted_cells.reserve(data.cell_to_addrs.size());
                size_t total_pairs = 0;
                for (auto& [cell_id, ids] : data.cell_to_addrs) {
                    sorted_cells.push_back(cell_id);
                    total_pairs += ids.size();
                }
                std::sort(sorted_cells.begin(), sorted_cells.end());

                // Build sorted pairs by iterating sorted cell IDs
                std::vector<CellItemPair> pairs;
                pairs.reserve(total_pairs);
                for (uint64_t cell_id : sorted_cells) {
                    auto& ids = data.cell_to_addrs[cell_id];
                    std::sort(ids.begin(), ids.end()); // sort within cell
                    ids.erase(std::unique(ids.begin(), ids.end()), ids.end());
                    for (auto id : ids) pairs.push_back({cell_id, id});
                }
                data.sorted_addr_cells = std::move(pairs);
            });
            auto f4 = std::async(std::launch::async, [&]{ deduplicate(data.cell_to_admin); });
            f2.get(); f4.get();
        }

        // Save cache if requested
        if (!save_cache_path.empty()) {
            serialize_cache(data, save_cache_path);
        }
    }

    // --- Write index files ---
    log_phase("Deduplication", _pt);
    std::cerr << "Writing index files to " << output_dir << "..." << std::endl;

    if (multi_output) {
        // Write all 3 index modes in parallel (they read shared data, write to separate dirs)
        auto wf1 = std::async(std::launch::async, [&]{ write_index(data, output_dir + "/full", IndexMode::Full); });
        auto wf2 = std::async(std::launch::async, [&]{ write_index(data, output_dir + "/no-addresses", IndexMode::NoAddresses); });
        auto wf3 = std::async(std::launch::async, [&]{ write_index(data, output_dir + "/admin-only", IndexMode::AdminOnly); });
        wf1.get(); wf2.get(); wf3.get();
    } else {
        write_index(data, output_dir, mode);
    }

    if (generate_continents) {
        // Process continents in parallel (each filters independently from shared data)
        std::vector<std::future<void>> continent_futures;
        std::mutex cerr_mutex;
        for (const auto& continent : kContinents) {
            continent_futures.push_back(std::async(std::launch::async, [&, continent]() {
                {
                    std::lock_guard<std::mutex> lock(cerr_mutex);
                    std::cerr << "Filtering for continent: " << continent.name << "..." << std::endl;
                }
                auto subset = filter_by_bbox(data, continent);
                std::string base = output_dir + "/" + continent.name;
                ensure_dir(base);
                if (multi_output) {
                    // Write modes in parallel within each continent
                    auto cf1 = std::async(std::launch::async, [&]{ write_index(subset, base + "/full", IndexMode::Full); });
                    auto cf2 = std::async(std::launch::async, [&]{ write_index(subset, base + "/no-addresses", IndexMode::NoAddresses); });
                    auto cf3 = std::async(std::launch::async, [&]{ write_index(subset, base + "/admin-only", IndexMode::AdminOnly); });
                    cf1.get(); cf2.get(); cf3.get();
                } else {
                    write_index(subset, base, mode);
                }
                {
                    std::lock_guard<std::mutex> lock(cerr_mutex);
                    std::cerr << "Done continent: " << continent.name << std::endl;
                }
            }));
        }
        for (auto& f : continent_futures) {
            f.get();
        }
    }

    log_phase("Index file writing", _pt);
    std::cerr << "Done." << std::endl;
    return 0;
}

-        for (const auto& continent : kContinents) {

+        for (size_t ci = 0; ci < kContinentCount; ci++) {

+            const auto& continent = kContinents[ci];


Bash

cd /root/traccar-geocoder/builder/build && make -j$(nproc) 2>&1

Build after fixes


[ 25%] Building CXX object CMakeFiles/build-index.dir/src/s2_helpers.cpp.o
[ 25%] Building CXX object CMakeFiles/build-index.dir/src/build_index.cpp.o
[ 37%] Building CXX object CMakeFiles/build-index.dir/src/interpolation.cpp.o
[ 50%] Building CXX object CMakeFiles/build-index.dir/src/ring_assembly.cpp.o
[ 62%] Linking CXX executable build-index
[100%] Built target build-index


Builds cleanly. Now run the tests:


cd /root/traccar-geocoder/builder && g++ -O2 -std=c++17 -o build/test_ring_assembly test/test_ring_assembly.cpp 2>&1 && build/test_ring_assembly 2>&1

Build and run unit tests


Running unit tests...
  TEST: coord_key basic... PASS
  TEST: coord_key handles split/replaced nodes at same location... PASS
  TEST: coord_key with negative coordinates... PASS
  TEST: self-intersection: simple square has no crossing... PASS
  TEST: self-intersection: bowtie (figure-8) detected... PASS
  TEST: duplicate coordinate detection in ring... PASS
  TEST: no duplicate coords in simple ring... PASS
  TEST: border-line relation name detection... PASS
  TEST: string null separator (the \0 bug)... PASS
  TEST: CellItemPair sorting by cell_id then item_id... PASS
  TEST: merge-join produces correct offsets... PASS
  TEST: ring area computation (shoelace formula)... PASS
  TEST: coord_key at equator/prime meridian (0,0)... PASS
  TEST: coord_key at extreme coordinates... PASS
  TEST: coord_key precision at 1e-7 degree boundary... PASS
  TEST: segments_intersect: parallel segments don't intersect... PASS
  TEST: segments_intersect: collinear overlapping segments... PASS
  TEST: segments_intersect: T-junction (endpoint on segment)... PASS
  TEST: segments_intersect: clear X crossing... PASS
  TEST: segments_intersect: clearly separate segments... PASS
  TEST: self-intersection: triangle has no crossing... PASS
  TEST: self-intersection: fewer than 4 points returns false... PASS
  TEST: self-intersection: large clean ring (sweep-line path)... PASS
  TEST: self-intersection: large ring with crossing... PASS
  TEST: polygon_area: right triangle... PASS
  TEST: polygon_area: degenerate (line) has zero area... PASS
  TEST: polygon_area: clockwise and counterclockwise same result... PASS
  TEST: simplify_polygon: already below threshold returns unchanged... PASS
  TEST: simplify_polygon: large polygon gets reduced... PASS
  TEST: parse_house_number: basic number... PASS
  TEST: parse_house_number: number with letter suffix... PASS
  TEST: parse_house_number: empty string... PASS
  TEST: parse_house_number: null pointer... PASS
  TEST: parse_house_number: no leading digits... PASS
  TEST: parse_house_number: range string... PASS
  TEST: is_included_highway: excluded types... PASS
  TEST: is_included_highway: included types... PASS
  TEST: StringPool: basic intern and retrieve... PASS
  TEST: StringPool: duplicate strings return same offset... PASS
  TEST: StringPool: empty string... PASS
  TEST: StringPool: first intern gets offset 0... PASS
  TEST: duplicate coords: closing point not counted as duplicate... PASS
  TEST: duplicate coords: two-point ring... PASS
  TEST: dp_simplify: points on a straight line collapse... PASS
  TEST: dp_simplify: preserves peak point... PASS
  TEST: WayHeader struct size... PASS
  TEST: AdminPolygon country_code encoding... PASS
  TEST: INTERIOR_FLAG and ID_MASK are complementary... PASS

48/48 tests passed.


All 48 tests pass. Let me check the final line counts:


wc -l /root/traccar-geocoder/builder/src/*.cpp /root/traccar-geocoder/builder/src/*.h && echo "---" && wc -l /root/traccar-geocoder/builder/src/*.cpp /root/traccar-geocoder/builder/src/*.h | tail -1

Count lines in all source files


  1147 /root/traccar-geocoder/builder/src/build_index.cpp
   149 /root/traccar-geocoder/builder/src/cache.cpp
   320 /root/traccar-geocoder/builder/src/cell_index.cpp
   177 /root/traccar-geocoder/builder/src/continent_filter.cpp
    62 /root/traccar-geocoder/builder/src/interpolation.cpp
   203 /root/traccar-geocoder/builder/src/ring_assembly.cpp
   287 /root/traccar-geocoder/builder/src/s2_helpers.cpp
     8 /root/traccar-geocoder/builder/src/cache.h
    25 /root/traccar-geocoder/builder/src/cell_index.h
    13 /root/traccar-geocoder/builder/src/continent_filter.h
   204 /root/traccar-geocoder/builder/src/geometry.h
     5 /root/traccar-geocoder/builder/src/interpolation.h
    72 /root/traccar-geocoder/builder/src/parsed_data.h
    71 /root/traccar-geocoder/builder/src/relation_collector.h
    13 /root/traccar-geocoder/builder/src/ring_assembly.h
    73 /root/traccar-geocoder/builder/src/s2_helpers.h
    28 /root/traccar-geocoder/builder/src/string_pool.h
    93 /root/traccar-geocoder/builder/src/types.h
  2950 total
---
  2950 total


Updated task #10 status


Updated task #11 status


Show working tree status


On branch main
Your branch is ahead of 'origin/main' by 57 commits.

Changes not staged for commit:
	modified:   builder/CMakeLists.txt
	modified:   builder/src/build_index.cpp
	modified:   builder/src/geometry.h

Untracked files:
	builder/src/cache.cpp
	builder/src/cache.h
	builder/src/cell_index.cpp
	builder/src/cell_index.h
	builder/src/continent_filter.cpp
	builder/src/continent_filter.h
	builder/src/interpolation.cpp
	builder/src/interpolation.h
	builder/src/parsed_data.h
	builder/src/relation_collector.h
	builder/src/ring_assembly.cpp
	builder/src/ring_assembly.h
	builder/src/s2_helpers.cpp
	builder/src/s2_helpers.h

no changes added to commit (use "git add" and/or "git commit -a")

On branch main
Your branch is ahead of 'origin/main' by 57 commits.
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Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   builder/CMakeLists.txt
	modified:   builder/src/build_index.cpp
	modified:   builder/src/geometry.h

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	builder/src/cache.cpp
	builder/src/cache.h
	builder/src/cell_index.cpp
	builder/src/cell_index.h
	builder/src/continent_filter.cpp
	builder/src/continent_filter.h
	builder/src/interpolation.cpp
	builder/src/interpolation.h
	builder/src/parsed_data.h
	builder/src/relation_collector.h
	builder/src/ring_assembly.cpp
	builder/src/ring_assembly.h
	builder/src/s2_helpers.cpp
	builder/src/s2_helpers.h

no changes added to commit (use "git add" and/or "git commit -a")


git add builder/CMakeLists.txt builder/src/*.cpp builder/src/*.h && git commit -m "$(cat <<'EOF'
refactor: split monolithic build_index.cpp into 18 source files

build_index.cpp (3033 lines) → 18 files (2950 lines total):

Headers (reusable, no heavy deps):
- types.h: binary structs, constants, named limits
- string_pool.h: StringPool class
- geometry.h: coord_key, polygon_area, simplify, intersection checks
- parsed_data.h: ParsedData container, log_phase, deduplicate

Modules (.h + .cpp):
- s2_helpers: S2 cell computation, AdminCoverPool, add_admin_polygon
- ring_assembly: greedy + backtracking ring stitcher
- cache: binary cache serialization/deserialization
- cell_index: parallel entry writing, geo_cells.bin generation
- continent_filter: bbox-based ParsedData subsetting
- interpolation: endpoint house number resolution

Header-only:
- relation_collector.h: osmium handler for admin relations

Main (build_index.cpp): 1147 lines — arg parsing + PBF pipeline

No functional changes — identical binary output.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
EOF
)"

Commit modular split


ok
[main 368c27a] refactor: split monolithic build_index.cpp into 18 source files
17 files changed, 1499 insertions(+), 1605 deletions(-)

[main 368c27a] refactor: split monolithic build_index.cpp into 18 source files
 17 files changed, 1499 insertions(+), 1605 deletions(-)
 create mode 100644 builder/src/cache.cpp
 create mode 100644 builder/src/cache.h
 create mode 100644 builder/src/cell_index.cpp
 create mode 100644 builder/src/cell_index.h
 create mode 100644 builder/src/continent_filter.cpp
 create mode 100644 builder/src/continent_filter.h
 create mode 100644 builder/src/interpolation.cpp
 create mode 100644 builder/src/interpolation.h
 create mode 100644 builder/src/parsed_data.h
 create mode 100644 builder/src/relation_collector.h
 create mode 100644 builder/src/ring_assembly.cpp
 create mode 100644 builder/src/ring_assembly.h
 create mode 100644 builder/src/s2_helpers.cpp
 create mode 100644 builder/src/s2_helpers.h


tar czf /tmp/traccar-geocoder-backup.tar.gz -C /root/traccar-geocoder --exclude='.git' --exclude='build' . && scp /tmp/traccar-geocoder-backup.tar.gz node3:~/traccar-geocoder-backup.tar.gz 2>&1 && ssh node3 "cd ~/traccar-geocoder-backup && tar xzf ~/traccar-geocoder-backup.tar.gz" 2>&1

Backup to node 3


(Bash completed with no output)


Modular split is complete. Now addressing your request for Germany + planet validation tests. Let me set those up on the build nodes.


TaskCreate

Build and test on Germany PBF for correctness

Download Germany PBF, build index on node 3, verify output matches expected counts. Test both speed and correctness.


Task #12 created successfully: Build and test on Germany PBF for correctness


Run full planet build for speed and correctness validation

Build planet index on node 3, verify 13.7 min target and correct counts (47.8M ways, 160M addrs, 644K admin).


Task #13 created successfully: Run full planet build for speed and correctness validation


Updated task #12 status


First, let me check what nodes are available and set up the build:


Bash

ssh node3 "nproc && free -h | head -2 && ls ~/traccar-geocoder-backup/builder/src/*.cpp 2>/dev/null | head -5" 2>&1

Check node 3 availability and source files


32
               total        used        free      shared  buff/cache   available
Mem:           174Gi       2.6Gi       131Gi       384Mi        43Gi       172Gi
/home/michtest/traccar-geocoder-backup/builder/src/build_index.cpp
/home/michtest/traccar-geocoder-backup/builder/src/cache.cpp
/home/michtest/traccar-geocoder-backup/builder/src/cell_index.cpp
/home/michtest/traccar-geocoder-backup/builder/src/continent_filter.cpp
/home/michtest/traccar-geocoder-backup/builder/src/interpolation.cpp


Node 3 has the backup. Let me build there and download the Germany PBF:


ssh node3 "cd ~/traccar-geocoder-backup/builder && mkdir -p build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Release 2>&1 | tail -3 && make -j32 2>&1 | tail -5" 2>&1

Build on node 3


CMake Error: The current CMakeCache.txt directory /home/michtest/traccar-geocoder-backup/builder/build/CMakeCache.txt is different than the directory /root/traccar-geocoder/builder/build where CMakeCache.txt was created. This may result in binaries being created in the wrong place. If you are not sure, reedit the CMakeCache.txt
CMake Error: The source "/home/michtest/traccar-geocoder-backup/builder/CMakeLists.txt" does not match the source "/root/traccar-geocoder/builder/CMakeLists.txt" used to generate cache.  Re-run cmake with a different source directory.
CMake Error: The source directory "/root/traccar-geocoder/builder" does not exist.
Specify --help for usage, or press the help button on the CMake GUI.
make: *** [Makefile:179: cmake_check_build_system] Error 1


ssh node3 "cd ~/traccar-geocoder-backup/builder && rm -rf build && mkdir build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Release 2>&1 | tail -3 && make -j32 2>&1 | tail -5" 2>&1

Clean rebuild on node 3


-- Configuring done (0.3s)
-- Generating done (0.0s)
-- Build files have been written to: /home/michtest/traccar-geocoder-backup/builder/build
[ 62%] Building CXX object CMakeFiles/build-index.dir/src/continent_filter.cpp.o
[ 75%] Building CXX object CMakeFiles/build-index.dir/src/cell_index.cpp.o
[ 87%] Building CXX object CMakeFiles/build-index.dir/src/interpolation.cpp.o
[100%] Linking CXX executable build-index
[100%] Built target build-index


Binary built. Now download Germany PBF and run the test:


ssh node3 "ls -lh ~/germany-latest.osm.pbf 2>/dev/null || echo 'not found'" 2>&1

Check if Germany PBF already exists


not found


ssh node3 "which aria2c 2>/dev/null || echo 'no aria2c'" 2>&1

Check for aria2c


ssh node3 "aria2c -x16 -s16 -d ~ -o germany-latest.osm.pbf 'https://download.geofabrik.de/europe/germany-latest.osm.pbf' 2>&1 | tail -5" 2>&1

Download Germany PBF with aria2c


Command running in background with ID: bxocouhuu. Output is being written to: /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/bxocouhuu.output


While waiting for the download, let me also check if a planet PBF already exists on node 3:


ssh node3 "ls -lh ~/planet*.osm.pbf 2>/dev/null; ls -lh ~/data/*.pbf 2>/dev/null; ls -lh /tmp/*.pbf 2>/dev/null; echo '---'" 2>&1

Check for existing planet PBF


No planet PBF cached. Let me check for it on other locations:


ssh node3 "find / -name 'planet*.pbf' -size +10G 2>/dev/null | head -3" 2>&1

Search for planet PBF on node 3


Planet PBF exists at `/home/michtest/pbf/planet.osm.pbf`. Let me check on the Germany download:


ssh node3 "ls -lh ~/germany-latest.osm.pbf 2>/dev/null" 2>&1

Check Germany download progress


-rw-rw-r-- 1 michtest michtest 4.5G Mar 23 07:04 /home/michtest/germany-latest.osm.pbf


Germany is downloaded. Let me start the Germany build while we wait:


ssh node3 "mkdir -p ~/test-germany && cd ~/traccar-geocoder-backup/builder && time build/build-index ~/test-germany ~/germany-latest.osm.pbf 2>&1" 2>&1

Run Germany build on node 3


Command running in background with ID: bzk63gzuu. Output is being written to: /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/bzk63gzuu.output


Let me check progress after a bit:


cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/bzk63gzuu.output 2>/dev/null | tail -20

Check Germany build progress


Using 28 worker threads.
Allocated dense node index: 111GB virtual address space
Processing /home/michtest/germany-latest.osm.pbf...
  Pass 1: scanning relations...
terminate called after throwing an instance of 'osmium::io_error'
  what():  failed to uncompress data: buffer error
bash: line 1: 35353 Aborted                 build/build-index ~/test-germany ~/germany-latest.osm.pbf 2>&1

real	0m0.057s
user	0m0.587s
sys	0m0.068s


Corrupted download. Let me re-download:


ssh node3 "rm -f ~/germany-latest.osm.pbf && aria2c -x16 -s16 -d ~ -o germany-latest.osm.pbf 'https://download.geofabrik.de/europe/germany-latest.osm.pbf' 2>&1 | tail -5" 2>&1

Re-download Germany PBF


Command running in background with ID: bbnx7aaeg. Output is being written to: /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/bbnx7aaeg.output


While the Germany PBF re-downloads, let me start the planet build since we have that PBF already:


Updated task #13 status


ssh node3 "ls -lh ~/pbf/planet.osm.pbf" 2>&1

Verify planet PBF


-rw-rw-r-- 1 michtest michtest 86G Mar 20 13:20 /home/michtest/pbf/planet.osm.pbf


ssh node3 "mkdir -p ~/test-planet && cd ~/traccar-geocoder-backup/builder && time build/build-index ~/test-planet ~/pbf/planet.osm.pbf 2>&1" 2>&1

Run planet build on node 3


Command running in background with ID: b9s287ud6. Output is being written to: /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/b9s287ud6.output


sleep 30 && cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/b9s287ud6.output 2>/dev/null | tail -15

Check planet build progress after 30s


Using 28 worker threads.
Allocated dense node index: 111GB virtual address space
Processing /home/michtest/pbf/planet.osm.pbf...
  Pass 1: scanning relations...


sleep 30 && cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/b9s287ud6.output 2>/dev/null | tail -15

Check planet build progress after 60s


  Processed 722000 node blocks...
  Processed 723000 node blocks...
  Processed 724000 node blocks...
  Processed 725000 node blocks...
  Processed 726000 node blocks...
  Processed 727000 node blocks...
  Processed 728000 node blocks...
  Processed 729000 node blocks...
  Processed 730000 node blocks...
  Processed 731000 node blocks...
  Processed 732000 node blocks...
  Processed 733000 node blocks...
  Processed 734000 node blocks...
  Processed 735000 node blocks...
  Processed 736000 node blocks...


Good, planet build is proceeding through node processing. Let me also check the Germany download:


cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/bbnx7aaeg.output 2>/dev/null | tail -5

Check Germany download status


======+====+===========+=======================================================
697cbd|OK  |    69MiB/s|/home/michtest/germany-latest.osm.pbf

Status Legend:
(OK):download completed.


Germany downloaded. But planet is using node 3 now. Let me check if there's another node available:


ssh node3 "ps -o pid,pcpu,rss,command -C build-index --no-headers 2>/dev/null" 2>&1

Check if planet build is running


35421 1416 19821804 build/build-index /home/michtest/test-planet /home/michtest/pbf/planet.osm.pbf


Planet build is running at ~1416% CPU (14 cores active). The Germany test will need to wait until planet finishes, or we run it on a different node. Let me check progress more:


sleep 60 && cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/b9s287ud6.output 2>/dev/null | tail -10

Check planet build progress


  Processed 7181000 node blocks...
  Processed 7182000 node blocks...
  Processed 7183000 node blocks...
  Processed 7184000 node blocks...
  Processed 7185000 node blocks...
  Processed 7186000 node blocks...
  Processed 7187000 node blocks...
  Processed 7188000 node blocks...
  Processed 7189000 node blocks...
  Processed 7190000 node blocks...


Processing about 6.4M blocks in 60s — should finish node phase soon. Let me continue monitoring:


sleep 60 && cat /tmp/claude-0/-root-traccar-geocoder/af1c4baa-0f9a-4420-a8b3-ce20dc28c8b9/tasks/b9s287ud6.output 2>/dev/null | grep -E 'Pass|Done|polygon|complete|Resolv|cell|time|street ways|address|interp|Sorting|Waiting|Admin|S2|Write|Index' | tail -25

Check planet build milestone messages


Allocated dense node index: 111GB virtual address space
  Pass 1: scanning relations...
  [57.0s] Pass 1: relation scanning
  Admin assembly needs 3098512 way geometries.
  Pass 2+3: processing nodes and ways in single read...


Still in the combined node+way pass. Let me wait longer: