From 6a7ed1bd0ec25d8d94c7bd266e25a99851d7b74c Mon Sep 17 00:00:00 2001 From: zhoub Date: Tue, 7 Sep 2021 21:09:10 +0800 Subject: [PATCH] add bloom filter to leveldb_store to improve fuse performance. --- weed/filer/leveldb/leveldb_store.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/weed/filer/leveldb/leveldb_store.go b/weed/filer/leveldb/leveldb_store.go index ce454f36a..2b8456f25 100644 --- a/weed/filer/leveldb/leveldb_store.go +++ b/weed/filer/leveldb/leveldb_store.go @@ -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 {