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| author |  Miek Gieben <miek@miek.nl>
| 2017-10-13 17:22:08 +0200 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2017-10-13 17:22:08 +0200 |
| commit | c7ff44fb3a4ac782108980b7d91803f341ec1614 (patch) | |
| tree | 3af7efb09562bfed72752da2c4b3698cf6c8ad83 /plugin/cache/handler.go | |
| parent | 8ed730e1cb6332fcdeb2f83228449335ebf80a5b (diff) | |
| download | coredns-c7ff44fb3a4ac782108980b7d91803f341ec1614.tar.gz coredns-c7ff44fb3a4ac782108980b7d91803f341ec1614.tar.zst coredns-c7ff44fb3a4ac782108980b7d91803f341ec1614.zip | |
plugin/cache: don't update freq is prefetch isn't used. (#1144)
Small optimization.
Diffstat (limited to 'plugin/cache/handler.go')
| -rw-r--r-- | plugin/cache/handler.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/plugin/cache/handler.go b/plugin/cache/handler.go index f3f2e675b..b7824beba 100644 --- a/plugin/cache/handler.go +++ b/plugin/cache/handler.go @@ -34,7 +34,9 @@ func (c *Cache) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) resp, _ = state.Scrub(resp) w.WriteMsg(resp) - i.Freq.Update(c.duration, now) + if c.prefetch > 0 { + i.Freq.Update(c.duration, now) + } pct := 100 if i.origTTL != 0 { // you'll never know |