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Performance improvements:

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- reduce contention on mutation_lock by having 256 of them
- better lmdb defaults
This commit is contained in:
Alex Auvolat
2022-07-18 18:40:57 +02:00
parent 1b2e1296eb
commit 2f111e6b3d
4 changed files with 59 additions and 28 deletions
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src/model/garage.rs
+10 -5
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@@ -104,11 +104,16 @@ impl Garage {
std::fs::create_dir_all(&db_path).expect("Unable to create LMDB data directory");
let map_size = garage_db::lmdb_adapter::recommended_map_size();
let db = db::lmdb_adapter::heed::EnvOpenOptions::new()
.max_dbs(100)
.map_size(map_size)
.open(&db_path)
.expect("Unable to open LMDB DB");
use db::lmdb_adapter::heed;
let mut env_builder = heed::EnvOpenOptions::new();
env_builder.max_dbs(100);
env_builder.max_readers(500);
env_builder.map_size(map_size);
unsafe {
env_builder.flag(heed::flags::Flags::MdbNoSync);
env_builder.flag(heed::flags::Flags::MdbNoMetaSync);
}
let db = env_builder.open(&db_path).expect("Unable to open LMDB DB");
db::lmdb_adapter::LmdbDb::init(db)
}
e => {