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Tune rocksdb options

indexv1
Martin Boehm 2018-02-19 16:17:21 +01:00
parent 016ac5fcd2
commit af0e85ce43
1 changed files with 8 additions and 2 deletions
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10
db/rocksdb.go
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@ -44,10 +44,11 @@ const (
var cfNames = []string{"default", "height", "outputs", "inputs"}
func openDB(path string, bulk bool) (*gorocksdb.DB, []*gorocksdb.ColumnFamilyHandle, error) {
c := gorocksdb.NewLRUCache(8 << 30) // 8 gb
fp := gorocksdb.NewBloomFilter(10)
bbto := gorocksdb.NewDefaultBlockBasedTableOptions()
bbto.SetBlockSize(16 << 10) // 16kb
bbto.SetBlockCache(gorocksdb.NewLRUCache(8 << 30)) // 8 gb
bbto.SetBlockSize(16 << 10) // 16kb
bbto.SetBlockCache(c)
bbto.SetFilterPolicy(fp)
opts := gorocksdb.NewDefaultOptions()
@ -62,7 +63,12 @@ func openDB(path string, bulk bool) (*gorocksdb.DB, []*gorocksdb.ColumnFamilyHan
// opts for outputs are different:
// no bloom filter - from documentation: If most of your queries are executed using iterators, you shouldn't set bloom filter
bbtoOutputs := gorocksdb.NewDefaultBlockBasedTableOptions()
bbtoOutputs.SetBlockSize(16 << 10) // 16kb
bbtoOutputs.SetBlockCache(c) // 8 gb
optsOutputs := gorocksdb.NewDefaultOptions()
optsOutputs.SetBlockBasedTableFactory(bbtoOutputs)
optsOutputs.SetCreateIfMissing(true)
optsOutputs.SetCreateIfMissingColumnFamilies(true)
optsOutputs.SetMaxBackgroundCompactions(4)