increase cache and handles for leveldb (#4019)

rlan35 · web-flow · commit 181d90212cd2 · 2022-01-20T23:33:03.000-08:00
* increase cache for leveldb

* 256 for cache
diff --git a/internal/shardchain/dbfactory.go b/internal/shardchain/dbfactory.go
@@ -24,7 +24,7 @@ type LDBFactory struct {
 // NewChainDB returns a new LDB for the blockchain for given shard.
 func (f *LDBFactory) NewChainDB(shardID uint32) (ethdb.Database, error) {
 	dir := path.Join(f.RootDir, fmt.Sprintf("harmony_db_%d", shardID))
-	return rawdb.NewLevelDBDatabase(dir, 128, 64, "")
+	return rawdb.NewLevelDBDatabase(dir, 256, 1024, "")
 }
 
 // MemDBFactory is a memory-backed blockchain database factory.

Original file line number	Diff line number	Diff line change
`@@ -24,7 +24,7 @@ type LDBFactory struct {`
`24`	`24`	`// NewChainDB returns a new LDB for the blockchain for given shard.`
`25`	`25`	`func (f *LDBFactory) NewChainDB(shardID uint32) (ethdb.Database, error) {`
`26`	`26`	`dir := path.Join(f.RootDir, fmt.Sprintf("harmony_db_%d", shardID))`
`27`		`- return rawdb.NewLevelDBDatabase(dir, 128, 64, "")`
	`27`	`+ return rawdb.NewLevelDBDatabase(dir, 256, 1024, "")`
`28`	`28`	`}`
`29`	`29`
`30`	`30`	`// MemDBFactory is a memory-backed blockchain database factory.`