From 7e6c6020ffc593f1c4c907cb23f6c57886e6187a Mon Sep 17 00:00:00 2001
From: wangguoliang <liangcszzu@163.com>
Date: Thu, 7 Sep 2017 18:00:45 +0800
Subject: [PATCH] should use time.Since instead of time.Now().Sub

Signed-off-by: wgliang <liangcszzu@163.com>
---
 storage/local/series.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/storage/local/series.go b/storage/local/series.go
index fe30e9f77c..f58371746a 100644
--- a/storage/local/series.go
+++ b/storage/local/series.go
@@ -255,7 +255,7 @@ func (s *memorySeries) maybeCloseHeadChunk(timeout time.Duration) (bool, error)
 	if s.headChunkClosed {
 		return false, nil
 	}
-	if time.Now().Sub(s.lastTime.Time()) > timeout {
+	if time.Since(s.lastTime.Time()) > timeout {
 		s.headChunkClosed = true
 		// Since we cannot modify the head chunk from now on, we
 		// don't need to bother with cloning anymore.