From 4bbef0ec3008ea611bec71a3ba25bab7f6d29ad4 Mon Sep 17 00:00:00 2001
From: Tom Wilkie <tom.wilkie@gmail.com>
Date: Mon, 23 Oct 2017 21:34:53 +0100
Subject: [PATCH] Bypass the fanout storage merging if no remote storage is
 configured.

---
 storage/fanout.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/storage/fanout.go b/storage/fanout.go
index 2bc4323a7..fe5c17f63 100644
--- a/storage/fanout.go
+++ b/storage/fanout.go
@@ -34,6 +34,10 @@ type fanout struct {
 // NewFanout returns a new fan-out Storage, which proxies reads and writes
 // through to multiple underlying storages.
 func NewFanout(logger log.Logger, primary Storage, secondaries ...Storage) Storage {
+	if len(secondaries) == 0 {
+		return primary
+	}
+
 	return &fanout{
 		logger:      logger,
 		primary:     primary,