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add bloom filter to leveldb_store to improve fuse performance.

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zhoub
2021-09-07 21:09:10 +08:00
parent a0a6aa36fa
commit 6a7ed1bd0e
1 changed files with 2 additions and 0 deletions
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2
weed/filer/leveldb/leveldb_store.go
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@@ -6,6 +6,7 @@ import (
"fmt" "fmt"
"github.com/syndtr/goleveldb/leveldb" "github.com/syndtr/goleveldb/leveldb"
leveldb_errors "github.com/syndtr/goleveldb/leveldb/errors" leveldb_errors "github.com/syndtr/goleveldb/leveldb/errors"
"github.com/syndtr/goleveldb/leveldb/filter"
"github.com/syndtr/goleveldb/leveldb/opt" "github.com/syndtr/goleveldb/leveldb/opt"
leveldb_util "github.com/syndtr/goleveldb/leveldb/util" leveldb_util "github.com/syndtr/goleveldb/leveldb/util"
"os" "os"
@@ -48,6 +49,7 @@ func (store *LevelDBStore) initialize(dir string) (err error) {
BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB
WriteBuffer: 16 * 1024 * 1024, // default value is 4MiB WriteBuffer: 16 * 1024 * 1024, // default value is 4MiB
CompactionTableSizeMultiplier: 10, CompactionTableSizeMultiplier: 10,
Filter: filter.NewBloomFilter(8), // false positive rate 0.02
} }
if store.db, err = leveldb.OpenFile(dir, opts); err != nil { if store.db, err = leveldb.OpenFile(dir, opts); err != nil {