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plugin/hosts: pre-convert Origins to plugin.Zones in setup (#8383)

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* test: add benchmark cases for Request IP/Port and parseRequest

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

* test(kubernetes): add BenchmarkServices and BenchmarkServicesHeadless

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

* perf(hosts): pre-convert Origins to plugin.Zones in hosts setup

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

* style: fix gofmt trailing line formatting

Signed-off-by: Manuel Rüger <manuel@rueg.eu>

---------

Signed-off-by: Manuel Rüger <manuel@rueg.eu>
This commit is contained in:
Manuel Rüger
2026-08-04 03:50:45 +02:00
committed by GitHub
parent 097ef7ef91
commit 19cd5fe0c3
3 changed files with 57 additions and 2 deletions
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48
plugin/hosts/hosts_test.go
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@@ -5,6 +5,7 @@ import (
"strings"
"testing"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/pkg/fall"
"github.com/coredns/coredns/plugin/test"
@@ -211,3 +212,50 @@ const hostsExample = `
reload 5s
timeout 3600
`
func BenchmarkHostsBaseline(b *testing.B) {
h := Hosts{
Next: test.NextHandler(dns.RcodeNameError, nil),
Hostsfile: &Hostsfile{
Origins: []string{"example.org."},
hmap: newMap(),
inline: newMap(),
options: newOptions(),
},
}
h.hmap = h.parse(strings.NewReader(hostsExample))
m := new(dns.Msg)
m.SetQuestion("example.org.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
ctx := context.Background()
b.ReportAllocs()
for b.Loop() {
_, _ = h.ServeDNS(ctx, rec, m)
}
}
func BenchmarkHostsOptimized(b *testing.B) {
h := Hosts{
Next: test.NextHandler(dns.RcodeNameError, nil),
Hostsfile: &Hostsfile{
Origins: []string{"example.org."},
hmap: newMap(),
inline: newMap(),
options: newOptions(),
},
zones: plugin.Zones([]string{"example.org."}),
}
h.hmap = h.parse(strings.NewReader(hostsExample))
m := new(dns.Msg)
m.SetQuestion("example.org.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
ctx := context.Background()
b.ReportAllocs()
for b.Loop() {
_, _ = h.ServeDNS(ctx, rec, m)
}
}