diff --git a/weed/filesys/file.go b/weed/filesys/file.go
index 6cf52ba60..c7652843c 100644
--- a/weed/filesys/file.go
+++ b/weed/filesys/file.go
@@ -96,7 +96,7 @@ func (file *File) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp
 func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
 
 	glog.V(4).Infof("file %v open %+v", file.fullpath(), req)
-	resp.Flags |= fuse.OpenDirectIO
+	// resp.Flags |= fuse.OpenDirectIO
 
 	handle := file.wfs.AcquireHandle(file, req.Uid, req.Gid)