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Go-Expvar integration metrics

The official Datadog integration for monitoring Go-Expvar. It collects 19 metrics.

Official summary

Collect expvar-instrumented metrics and memory stats from your Go service.

Metric types

  • gauge (value at a point in time): 17
  • count (occurrences in the interval): 1
  • rate (per second): 1

Metrics

Descriptions are the official definitions, unedited.

MetricTypeUnit
go_expvar.memstats.allocBytes allocated and not yet freedgaugebyte
go_expvar.memstats.freesNumber of freesgaugeoperation
go_expvar.memstats.heap_allocBytes allocated and not yet freedgaugebyte
go_expvar.memstats.heap_idleBytes in idle spansgaugebyte
go_expvar.memstats.heap_inuseBytes in non-idle spansgaugebyte
go_expvar.memstats.heap_objectsTotal number of allocated objectsgaugeitem
go_expvar.memstats.heap_releasedBytes released to the OSgaugebyte
go_expvar.memstats.heap_sysBytes obtained from systemgaugebyte
go_expvar.memstats.lookupsNumber of pointer lookupsgaugeoperation
go_expvar.memstats.mallocsNumber of mallocsgaugeoperation
go_expvar.memstats.num_gcNumber of garbage collectionsgaugegarbage collection
go_expvar.memstats.pause_ns.95percentile95th percentile of recent GC pause durationsgaugenanosecond
go_expvar.memstats.pause_ns.avgAverage of recent GC pause durationsgaugenanosecond
go_expvar.memstats.pause_ns.countNumber of submitted GC pause durationsratesample/second
go_expvar.memstats.pause_ns.maxMax GC pause durationgaugenanosecond
go_expvar.memstats.pause_ns.medianMedian GC pause durationgaugenanosecond
go_expvar.memstats.pause_total_nsTotal GC pause duration over lifetime of processgaugenanosecond
go_expvar.memstats.total_allocBytes allocated (even if freed)gaugebyte
go_expvar.memstats.total_alloc.countBytes allocated (even if freed) as monotonic countcountbyte

Official documentation

Official documentation for the Go-Expvar integration

Metric names and descriptions are the official Datadog integration definitions (Copyright Datadog, Inc., BSD-3-Clause), reproduced unedited. The full license terms are on the About page.

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