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improvement: rocksdb configuration

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Timo Kösters 2022-01-10 20:20:45 +01:00
parent 077e9ad438
commit 0bb7d76dec
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GPG key ID: 356E705610F626D5
1 changed files with 17 additions and 16 deletions
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29
src/database/abstraction/rocksdb.rs
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@ -17,25 +17,21 @@ pub struct RocksDbEngineTree<'a> {
impl DatabaseEngine for Arc<Engine> { impl DatabaseEngine for Arc<Engine> {
fn open(config: &Config) -> Result<Self> { fn open(config: &Config) -> Result<Self> {
let mut db_opts = rocksdb::Options::default();
db_opts.create_if_missing(true);
db_opts.set_max_open_files(512);
db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
db_opts.set_compression_type(rocksdb::DBCompressionType::Zstd);
db_opts.set_target_file_size_base(2 << 22);
db_opts.set_max_bytes_for_level_base(2 << 24);
db_opts.set_max_bytes_for_level_multiplier(2.0);
db_opts.set_num_levels(8);
db_opts.set_write_buffer_size(2 << 27);
let rocksdb_cache = let rocksdb_cache =
rocksdb::Cache::new_lru_cache((config.db_cache_capacity_mb * 1024.0 * 1024.0) as usize) rocksdb::Cache::new_lru_cache((config.db_cache_capacity_mb * 1024.0 * 1024.0) as usize)
.unwrap(); .unwrap();
let mut block_based_options = rocksdb::BlockBasedOptions::default(); let mut block_based_options = rocksdb::BlockBasedOptions::default();
block_based_options.set_block_size(2 << 19);
block_based_options.set_block_cache(&rocksdb_cache); block_based_options.set_block_cache(&rocksdb_cache);
let mut db_opts = rocksdb::Options::default();
db_opts.set_block_based_table_factory(&block_based_options); db_opts.set_block_based_table_factory(&block_based_options);
db_opts.create_if_missing(true);
db_opts.increase_parallelism(num_cpus::get() as i32);
db_opts.set_max_open_files(512);
db_opts.set_compression_type(rocksdb::DBCompressionType::Zstd);
db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
db_opts.optimize_level_style_compaction((config.db_cache_capacity_mb * 1024.0 * 1024.0) as usize);
let cfs = rocksdb::DBWithThreadMode::<rocksdb::MultiThreaded>::list_cf( let cfs = rocksdb::DBWithThreadMode::<rocksdb::MultiThreaded>::list_cf(
&db_opts, &db_opts,
@ -92,11 +88,16 @@ impl DatabaseEngine for Arc<Engine> {
"Approximate memory usage of all the mem-tables: {:.3} MB\n\ "Approximate memory usage of all the mem-tables: {:.3} MB\n\
Approximate memory usage of un-flushed mem-tables: {:.3} MB\n\ Approximate memory usage of un-flushed mem-tables: {:.3} MB\n\
Approximate memory usage of all the table readers: {:.3} MB\n\ Approximate memory usage of all the table readers: {:.3} MB\n\
Approximate memory usage by cache: {:.3} MB", Approximate memory usage by cache: {:.3} MB\n\
self.cache.get_usage(): {:.3} MB\n\
self.cache.get_pinned_usage(): {:.3} MB\n\
",
stats.mem_table_total as f64 / 1024.0 / 1024.0, stats.mem_table_total as f64 / 1024.0 / 1024.0,
stats.mem_table_unflushed as f64 / 1024.0 / 1024.0, stats.mem_table_unflushed as f64 / 1024.0 / 1024.0,
stats.mem_table_readers_total as f64 / 1024.0 / 1024.0, stats.mem_table_readers_total as f64 / 1024.0 / 1024.0,
stats.cache_total as f64 / 1024.0 / 1024.0 stats.cache_total as f64 / 1024.0 / 1024.0,
self.cache.get_usage() as f64 / 1024.0 / 1024.0,
self.cache.get_pinned_usage() as f64 / 1024.0 / 1024.0,
)) ))
} }
} }