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