func (p *ProxyServer) StatsdMemStats() {
ticker := time.NewTicker(10 * time.Second)
var lastMemStats runtime.MemStats
for {
select {
case <-ticker.C:
client := statsd.NewClient(p.Conf.Statsd, p.Conf.StatsdPrefix)
err := client.CreateSocket()
if err != nil {
// log.Warningf("ERROR: failed to create UDP socket to statsd(%s)", client)
continue
}
var memStats runtime.MemStats
runtime.ReadMemStats(&memStats)
// sort the GC pause array
length := len(memStats.PauseNs)
if int(memStats.NumGC) < length {
length = int(memStats.NumGC)
}
gcPauses := make(Uint64Slice, length)
copy(gcPauses, memStats.PauseNs[:length])
sort.Sort(gcPauses)
client.Gauge("mem.heap_objects", int64(memStats.HeapObjects))
client.Gauge("mem.heap_idle_bytes", int64(memStats.HeapIdle))
client.Gauge("mem.heap_in_use_bytes", int64(memStats.HeapInuse))
client.Gauge("mem.heap_released_bytes", int64(memStats.HeapReleased))
client.Gauge("mem.gc_pause_usec_100", int64(percentile(100.0, gcPauses, len(gcPauses))/1000))
client.Gauge("mem.gc_pause_usec_99", int64(percentile(99.0, gcPauses, len(gcPauses))/1000))
client.Gauge("mem.gc_pause_usec_95", int64(percentile(95.0, gcPauses, len(gcPauses))/1000))
client.Gauge("mem.next_gc_bytes", int64(memStats.NextGC))
client.Incr("mem.gc_runs", int64(memStats.NumGC-lastMemStats.NumGC))
lastMemStats = memStats
client.Close()
case <-p.Quit:
goto quit
}
}
quit:
log.Warning("quit StatsdMemStats loop")
}
func (p *ProxyServer) QpsSend() {
for {
client := statsd.NewClient(p.Conf.Statsd, p.Conf.StatsdPrefix)
err := client.CreateSocket()
if err != nil {
// log.Warningf("ERROR: failed to create UDP socket to statsd(%s)", client)
continue
}
select {
case t := <-p.TimeChan:
client.Timing(".time", t)
// log.Info("get response rtt ", t)
case qps := <-p.QpsChan:
client.Incr("qps", qps)
// log.Info("get response qps ", qps)
case <-p.Quit:
goto quit
}
client.Close()
}
quit:
log.Warning("quit Qps Send loop")
}