From 53e66980b2907dcde53aaef7adfa96fe5590416a Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sat, 14 Aug 2021 15:16:10 -0700
Subject: [PATCH] add comments

---
 weed/server/filer_grpc_server_remote.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/weed/server/filer_grpc_server_remote.go b/weed/server/filer_grpc_server_remote.go
index 2cbfd3319..8144d6a90 100644
--- a/weed/server/filer_grpc_server_remote.go
+++ b/weed/server/filer_grpc_server_remote.go
@@ -60,6 +60,7 @@ func (fs *FilerServer) DownloadToLocal(ctx context.Context, req *filer_pb.Downlo
 	}
 
 	// detect storage option
+	// replication level is set to "000" to ensure only need to ask one volume server to fetch the data.
 	so, err := fs.detectStorageOption(req.Directory, "", "000", 0, "", "", "")
 	if err != nil {
 		return resp, err