From 3109529dbb0a3cd2cb01ef58875fb68ff35358fa Mon Sep 17 00:00:00 2001
From: Eugene Bujak <hmage@hmage.net>
Date: Mon, 8 Oct 2018 17:14:11 +0300
Subject: [PATCH] coredns plugin -- change rlock to lock when loading top stats
to avoid doing it in parallel
---
coredns_plugin/querylog_top.go | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/coredns_plugin/querylog_top.go b/coredns_plugin/querylog_top.go
index 70ec0034..56eea744 100644
--- a/coredns_plugin/querylog_top.go
+++ b/coredns_plugin/querylog_top.go
@@ -209,8 +209,8 @@ func (r *dayTop) addEntry(entry *logEntry, now time.Time) error {
func loadTopFromFiles() error {
now := time.Now()
- runningTop.RLock()
- defer runningTop.RUnlock()
+ runningTop.Lock() // not rlock because we set it at the end of the function
+ defer runningTop.Unlock()
if runningTop.loaded {
return nil
}