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txospenderindex: disable bloom filters to optimize disk usage

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LevelDB bloom filters are only consulted on Get point reads.
They are not consulted for iterator seeks.
txospenderindex only reads via iterator seeks, so building
them is wasted effort and space.
This commit is contained in:
Andrew Toth
2026-06-19 10:25:09 -04:00
parent 1360001f43
commit a2b1c86903
6 changed files with 10 additions and 6 deletions
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6
src/dbwrapper.cpp
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@@ -136,12 +136,12 @@ static void SetMaxOpenFiles(leveldb::Options *options) {
options->max_open_files, default_open_files);
}
static leveldb::Options GetOptions(size_t nCacheSize)
static leveldb::Options GetOptions(size_t nCacheSize, bool bloom_filter)
{
leveldb::Options options;
options.block_cache = leveldb::NewLRUCache(nCacheSize / 2);
options.write_buffer_size = nCacheSize / 4; // up to two write buffers may be held in memory simultaneously
options.filter_policy = leveldb::NewBloomFilterPolicy(10);
options.filter_policy = bloom_filter ? leveldb::NewBloomFilterPolicy(10) : nullptr;
options.compression = leveldb::kNoCompression;
options.info_log = new CBitcoinLevelDBLogger();
if (leveldb::kMajorVersion > 1 || (leveldb::kMajorVersion == 1 && leveldb::kMinorVersion >= 16)) {
@@ -225,7 +225,7 @@ CDBWrapper::CDBWrapper(const DBParams& params)
DBContext().iteroptions.verify_checksums = true;
DBContext().iteroptions.fill_cache = false;
DBContext().syncoptions.sync = true;
DBContext().options = GetOptions(params.cache_bytes);
DBContext().options = GetOptions(params.cache_bytes, params.bloom_filter);
DBContext().options.create_if_missing = true;
DBContext().options.max_file_size = params.max_file_size;
assert(!(params.testing_env && params.memory_only));