add bloom filter to leveldb_store to improve fuse performance.

This commit is contained in:
zhoub 2021-09-07 21:09:10 +08:00
parent a0a6aa36fa
commit 6a7ed1bd0e

View File

@ -6,6 +6,7 @@ import (
"fmt"
"github.com/syndtr/goleveldb/leveldb"
leveldb_errors "github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/filter"
"github.com/syndtr/goleveldb/leveldb/opt"
leveldb_util "github.com/syndtr/goleveldb/leveldb/util"
"os"
@ -48,6 +49,7 @@ func (store *LevelDBStore) initialize(dir string) (err error) {
BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB
WriteBuffer: 16 * 1024 * 1024, // default value is 4MiB
CompactionTableSizeMultiplier: 10,
Filter: filter.NewBloomFilter(8), // false positive rate 0.02
}
if store.db, err = leveldb.OpenFile(dir, opts); err != nil {