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fix: tweak histogram buckets

main^2
Max Ignatenko 2024-10-27 12:21:59 +00:00
parent d0fd66f83f
commit f379f6b4b4
2 changed files with 4 additions and 3 deletions
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1
cmd/plc-mirror/metrics.go
View File

@ -18,4 +18,5 @@ var requestCount = promauto.NewCounterVec(prometheus.CounterOpts{
var requestLatency = promauto.NewHistogramVec(prometheus.HistogramOpts{ var requestLatency = promauto.NewHistogramVec(prometheus.HistogramOpts{
Name: "plcmirror_response_latency_millisecond", Name: "plcmirror_response_latency_millisecond",
Help: "Latency of responses.", Help: "Latency of responses.",
Buckets: prometheus.ExponentialBucketsRange(1, 30000, 20),
}, []string{"status"}) }, []string{"status"})

2
cmd/plc-mirror/serve.go
View File

@ -67,7 +67,7 @@ func (s *Server) serve(ctx context.Context, req *http.Request) convreq.HttpRespo
start := time.Now() start := time.Now()
updateMetrics := func(c int) { updateMetrics := func(c int) {
requestCount.WithLabelValues(fmt.Sprint(c)).Inc() requestCount.WithLabelValues(fmt.Sprint(c)).Inc()
requestLatency.WithLabelValues(fmt.Sprint(c)).Observe(float64(time.Now().Sub(start).Milliseconds())) requestLatency.WithLabelValues(fmt.Sprint(c)).Observe(float64(time.Now().Sub(start)) / float64(time.Millisecond))
} }
delay := time.Since(s.mirror.LastSuccess()) delay := time.Since(s.mirror.LastSuccess())