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rocksdb: tune default options

pull/1/head
Jan Pochyla 2017-09-13 02:12:57 +02:00
parent 235d0bdffa
commit 8bf42e0bf4
1 changed files with 7 additions and 3 deletions
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10
rocksdb.go
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@ -32,14 +32,18 @@ func NewRocksDB(path string) (d *RocksDB, err error) {
fp := gorocksdb.NewBloomFilter(10)
bbto := gorocksdb.NewDefaultBlockBasedTableOptions()
bbto.SetBlockCache(gorocksdb.NewLRUCache(3 << 30))
bbto.SetBlockSize(16 << 10) // 16kb
bbto.SetBlockCache(gorocksdb.NewLRUCache(8 << 30)) // 8 gb
bbto.SetFilterPolicy(fp)
opts := gorocksdb.NewDefaultOptions()
opts.SetBlockBasedTableFactory(bbto)
opts.SetCreateIfMissing(true)
opts.SetMaxBackgroundCompactions(8)
opts.SetWriteBufferSize(2 * 1024 * 1024 * 1024) // 2 gb
opts.SetMaxBackgroundCompactions(4)
opts.SetMaxBackgroundFlushes(2)
opts.SetBytesPerSync(1 << 20) // 1mb
opts.SetWriteBufferSize(2 << 30) // 2 gb
opts.SetMaxOpenFiles(25000)
db, err := gorocksdb.OpenDb(opts, path)
if err != nil {