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storage: add bloom filter to leveldb

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We're constantly checking for transactions there and most of the time this
check is not successful (meaning that the transaction in question is
new). Bloom filter easily reduces the need to search over the DB in 99% of
these cases and gives some 13% increase in single-node TPS.
This commit is contained in:
Roman Khimov 2020-08-30 11:42:16 +03:00
parent f5f58a7e91
commit bc31ab3d2c
1 changed files with 3 additions and 1 deletions
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4
pkg/core/storage/leveldb_store.go
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@ -2,6 +2,7 @@ package storage
import (
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/filter"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/syndtr/goleveldb/leveldb/util"
)
@ -21,8 +22,9 @@ type LevelDBStore struct {
// NewLevelDBStore returns a new LevelDBStore object that will
// initialize the database found at the given path.
func NewLevelDBStore(cfg LevelDBOptions) (*LevelDBStore, error) {
var opts *opt.Options // should be exposed via LevelDBOptions if anything needed
var opts = new(opt.Options) // should be exposed via LevelDBOptions if anything needed
opts.Filter = filter.NewBloomFilter(10)
db, err := leveldb.OpenFile(cfg.DataDirectoryPath, opts)
if err != nil {
return nil, err