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2 Commits

Author SHA1 Message Date
Miek Gieben
68b45f5377 plugin/cache: unroll minTTL loop (#1773) 
This allocates memory because of the append, just unroll the loop.
Also add benchmark.

Before:
goos: linux
goarch: amd64
pkg: github.com/coredns/coredns/plugin/cache
BenchmarkCacheResponse-4   	  100000	     11910 ns/op
BenchmarkMinMsgTTL-4       	 1000000	      1494 ns/op
PASS

After:
goos: linux
goarch: amd64
pkg: github.com/coredns/coredns/plugin/cache
BenchmarkCacheResponse-4   	  100000	     12016 ns/op
BenchmarkMinMsgTTL-4       	 2000000	       668 ns/op
PASS
 2018-05-08 18:36:29 +01:00
Miek Gieben
7a64d1bbc3 plugin/cache: add minttl test (#1141) 
See https://github.com/kubernetes/kubernetes/pull/53604, explicitaly add
test to make sure we do the right thing.
 2017-10-10 18:30:14 +02:00