diff --git a/weed/filer/filechunk_manifest.go b/weed/filer/filechunk_manifest.go
index afd9add99..29860c27a 100644
--- a/weed/filer/filechunk_manifest.go
+++ b/weed/filer/filechunk_manifest.go
@@ -19,7 +19,7 @@ import (
 )
 
 const (
-	ManifestBatch = 3
+	ManifestBatch = 10000
 )
 
 var bytesBufferPool = sync.Pool{