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/
stathat.go
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/
stathat.go
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// Metrics output to StatHat.
package stathat
import (
"github.com/heroku/lumbermill/Godeps/_workspace/src/github.com/rcrowley/go-metrics"
"github.com/stathat/go"
"log"
"time"
)
func Stathat(r metrics.Registry, d time.Duration, userkey string) {
for {
if err := sh(r, userkey); nil != err {
log.Println(err)
}
time.Sleep(d)
}
}
func sh(r metrics.Registry, userkey string) error {
r.Each(func(name string, i interface{}) {
switch metric := i.(type) {
case metrics.Counter:
stathat.PostEZCount(name, userkey, int(metric.Count()))
case metrics.Gauge:
stathat.PostEZValue(name, userkey, float64(metric.Value()))
case metrics.GaugeFloat64:
stathat.PostEZValue(name, userkey, float64(metric.Value()))
case metrics.Histogram:
h := metric.Snapshot()
ps := h.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
stathat.PostEZCount(name+".count", userkey, int(h.Count()))
stathat.PostEZValue(name+".min", userkey, float64(h.Min()))
stathat.PostEZValue(name+".max", userkey, float64(h.Max()))
stathat.PostEZValue(name+".mean", userkey, float64(h.Mean()))
stathat.PostEZValue(name+".std-dev", userkey, float64(h.StdDev()))
stathat.PostEZValue(name+".50-percentile", userkey, float64(ps[0]))
stathat.PostEZValue(name+".75-percentile", userkey, float64(ps[1]))
stathat.PostEZValue(name+".95-percentile", userkey, float64(ps[2]))
stathat.PostEZValue(name+".99-percentile", userkey, float64(ps[3]))
stathat.PostEZValue(name+".999-percentile", userkey, float64(ps[4]))
case metrics.Meter:
m := metric.Snapshot()
stathat.PostEZCount(name+".count", userkey, int(m.Count()))
stathat.PostEZValue(name+".one-minute", userkey, float64(m.Rate1()))
stathat.PostEZValue(name+".five-minute", userkey, float64(m.Rate5()))
stathat.PostEZValue(name+".fifteen-minute", userkey, float64(m.Rate15()))
stathat.PostEZValue(name+".mean", userkey, float64(m.RateMean()))
case metrics.Timer:
t := metric.Snapshot()
ps := t.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
stathat.PostEZCount(name+".count", userkey, int(t.Count()))
stathat.PostEZValue(name+".min", userkey, float64(t.Min()))
stathat.PostEZValue(name+".max", userkey, float64(t.Max()))
stathat.PostEZValue(name+".mean", userkey, float64(t.Mean()))
stathat.PostEZValue(name+".std-dev", userkey, float64(t.StdDev()))
stathat.PostEZValue(name+".50-percentile", userkey, float64(ps[0]))
stathat.PostEZValue(name+".75-percentile", userkey, float64(ps[1]))
stathat.PostEZValue(name+".95-percentile", userkey, float64(ps[2]))
stathat.PostEZValue(name+".99-percentile", userkey, float64(ps[3]))
stathat.PostEZValue(name+".999-percentile", userkey, float64(ps[4]))
stathat.PostEZValue(name+".one-minute", userkey, float64(t.Rate1()))
stathat.PostEZValue(name+".five-minute", userkey, float64(t.Rate5()))
stathat.PostEZValue(name+".fifteen-minute", userkey, float64(t.Rate15()))
stathat.PostEZValue(name+".mean-rate", userkey, float64(t.RateMean()))
}
})
return nil
}