CompactionTableSizeMultiplier of leveldb use default value. #2325

To improve performance of leveldb find key in condition of large directory(millions of files) which use uuid as filename.

weed/filer/leveldb/leveldb_store.go

@@ -48,7 +48,6 @@ func (store *LevelDBStore) initialize(dir string) (err error) {
 	opts := &opt.Options{
 		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
 	}
 

weed/filer/leveldb2/leveldb2_store.go

@@ -48,7 +48,6 @@ func (store *LevelDB2Store) initialize(dir string, dbCount int) (err error) {
 	opts := &opt.Options{
 		BlockCacheCapacity: 32 * 1024 * 1024,         // default value is 8MiB
 		WriteBuffer:        16 * 1024 * 1024,         // default value is 4MiB
-		CompactionTableSizeMultiplier: 4,
 		Filter:             filter.NewBloomFilter(8), // false positive rate 0.02
 	}
 

weed/filer/leveldb3/leveldb3_store.go

@@ -68,14 +68,12 @@ func (store *LevelDB3Store) loadDB(name string) (*leveldb.DB, error) {
 	opts := &opt.Options{
 		BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB
 		WriteBuffer:        16 * 1024 * 1024, // default value is 4MiB
-		CompactionTableSizeMultiplier: 4,
 		Filter:             bloom,
 	}
 	if name != DEFAULT {
 		opts = &opt.Options{
 			BlockCacheCapacity: 4 * 1024 * 1024, // default value is 8MiB
 			WriteBuffer:        2 * 1024 * 1024, // default value is 4MiB
-			CompactionTableSizeMultiplier: 4,
 			Filter:             bloom,
 		}
 	}