From e0d7df03f19665232ff516064215ed134cf9f135 Mon Sep 17 00:00:00 2001
From: Rongjian Lan <rongjian.lan@gmail.com>
Date: Wed, 12 Aug 2020 14:27:20 -0700
Subject: [PATCH] reduce file handle needed for level db (#3295)

---
 internal/shardchain/dbfactory.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/shardchain/dbfactory.go b/internal/shardchain/dbfactory.go
index fdc64b97d..bfc9ebe61 100644
--- a/internal/shardchain/dbfactory.go
+++ b/internal/shardchain/dbfactory.go
@@ -22,7 +22,7 @@ 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 ethdb.NewLDBDatabase(dir, 128, 1024)
+	return ethdb.NewLDBDatabase(dir, 128, 64)
 }
 
 // MemDBFactory is a memory-backed blockchain database factory.