feat: config option for rocksdb max open files

This commit is contained in:
Timo Kösters 2022-01-14 11:40:49 +01:00
parent 5b8d2a736e
commit d434dfb3a5
No known key found for this signature in database
GPG key ID: 356E705610F626D5
2 changed files with 28 additions and 7 deletions

View file

@ -49,6 +49,8 @@ pub struct Config {
database_path: String,
#[serde(default = "default_db_cache_capacity_mb")]
db_cache_capacity_mb: f64,
#[serde(default = "default_rocksdb_max_open_files")]
rocksdb_max_open_files: i32,
#[serde(default = "default_pdu_cache_capacity")]
pdu_cache_capacity: u32,
#[serde(default = "default_cleanup_second_interval")]
@ -127,6 +129,10 @@ fn default_db_cache_capacity_mb() -> f64 {
10.0
}
fn default_rocksdb_max_open_files() -> i32 {
512
}
fn default_pdu_cache_capacity() -> u32 {
1_000_000
}

View file

@ -5,6 +5,7 @@ use std::{future::Future, pin::Pin, sync::Arc, sync::RwLock};
pub struct Engine {
rocks: rocksdb::DBWithThreadMode<rocksdb::MultiThreaded>,
cache_capacity_bytes: usize,
max_open_files: i32,
cache: rocksdb::Cache,
old_cfs: Vec<String>,
}
@ -16,7 +17,11 @@ pub struct RocksDbEngineTree<'a> {
write_lock: RwLock<()>,
}
fn db_options(cache_capacity_bytes: usize, rocksdb_cache: &rocksdb::Cache) -> rocksdb::Options {
fn db_options(
cache_capacity_bytes: usize,
max_open_files: i32,
rocksdb_cache: &rocksdb::Cache,
) -> rocksdb::Options {
let mut block_based_options = rocksdb::BlockBasedOptions::default();
block_based_options.set_block_cache(rocksdb_cache);
@ -36,7 +41,7 @@ fn db_options(cache_capacity_bytes: usize, rocksdb_cache: &rocksdb::Cache) -> ro
//db_opts.set_use_direct_io_for_flush_and_compaction(true);
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_max_open_files(max_open_files);
db_opts.set_compression_type(rocksdb::DBCompressionType::Zstd);
db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
db_opts.optimize_level_style_compaction(cache_capacity_bytes);
@ -52,7 +57,11 @@ impl DatabaseEngine for Arc<Engine> {
let cache_capacity_bytes = (config.db_cache_capacity_mb * 1024.0 * 1024.0) as usize;
let rocksdb_cache = rocksdb::Cache::new_lru_cache(cache_capacity_bytes).unwrap();
let db_opts = db_options(cache_capacity_bytes, &rocksdb_cache);
let db_opts = db_options(
cache_capacity_bytes,
config.rocksdb_max_open_files,
&rocksdb_cache,
);
let cfs = rocksdb::DBWithThreadMode::<rocksdb::MultiThreaded>::list_cf(
&db_opts,
@ -66,7 +75,11 @@ impl DatabaseEngine for Arc<Engine> {
cfs.iter().map(|name| {
rocksdb::ColumnFamilyDescriptor::new(
name,
db_options(cache_capacity_bytes, &rocksdb_cache),
db_options(
cache_capacity_bytes,
config.rocksdb_max_open_files,
&rocksdb_cache,
),
)
}),
)?;
@ -74,6 +87,7 @@ impl DatabaseEngine for Arc<Engine> {
Ok(Arc::new(Engine {
rocks: db,
cache_capacity_bytes,
max_open_files: config.rocksdb_max_open_files,
cache: rocksdb_cache,
old_cfs: cfs,
}))
@ -82,9 +96,10 @@ impl DatabaseEngine for Arc<Engine> {
fn open_tree(&self, name: &'static str) -> Result<Arc<dyn Tree>> {
if !self.old_cfs.contains(&name.to_owned()) {
// Create if it didn't exist
let _ = self
.rocks
.create_cf(name, &db_options(self.cache_capacity_bytes, &self.cache));
let _ = self.rocks.create_cf(
name,
&db_options(self.cache_capacity_bytes, self.max_open_files, &self.cache),
);
}
Ok(Arc::new(RocksDbEngineTree {