)
/*
Boilerplate metrics about the metrics reporting subservice. These are only
exposed if the DefaultRegistry's exporter is hooked into the HTTP request
handler.
*/
var (
marshalErrorCount = metrics.NewCounter()
dumpErrorCount = metrics.NewCounter()
requestCount = metrics.NewCounter()
requestLatencyBuckets = metrics.LogarithmicSizedBucketsFor(0, 1000)
requestLatency = metrics.NewHistogram(&metrics.HistogramSpecification{
Starts: requestLatencyBuckets,
BucketBuilder: metrics.AccumulatingBucketBuilder(metrics.EvictAndReplaceWith(50, maths.Average), 1000),
ReportablePercentiles: []float64{0.01, 0.05, 0.5, 0.9, 0.99},
})
startTime = metrics.NewGauge()
)
func init() {
startTime.Set(nil, float64(time.Now().Unix()))
DefaultRegistry.Register("telemetry_requests_metrics_total", "A counter of the total requests made against the telemetry system.", NilLabels, requestCount)
DefaultRegistry.Register("telemetry_requests_metrics_latency_microseconds", "A histogram of the response latency for requests made against the telemetry system.", NilLabels, requestLatency)
DefaultRegistry.Register("instance_start_time_seconds", "The time at which the current instance started (UTC).", NilLabels, startTime)
}
writeMemory = "write_memory"
)
var (
diskLatencyHistogram = &metrics.HistogramSpecification{
Starts: metrics.LogarithmicSizedBucketsFor(0, 5000),
BucketBuilder: metrics.AccumulatingBucketBuilder(metrics.EvictAndReplaceWith(10, maths.Average), 100),
ReportablePercentiles: []float64{0.01, 0.05, 0.5, 0.90, 0.99},
}
curationDuration = metrics.NewCounter()
curationDurations = metrics.NewHistogram(diskLatencyHistogram)
storageOperations = metrics.NewCounter()
storageOperationDurations = metrics.NewCounter()
storageLatency = metrics.NewHistogram(diskLatencyHistogram)
queueSizes = metrics.NewGauge()
)
func recordOutcome(duration time.Duration, err error, success, failure map[string]string) {
labels := success
if err != nil {
labels = failure
}
storageOperations.Increment(labels)
asFloat := float64(duration / time.Microsecond)
storageLatency.Add(labels, asFloat)
storageOperationDurations.IncrementBy(labels, asFloat)
}
func init() {