gianm closed pull request #6423: Improve GC metrics documentation URL: https://github.com/apache/incubator-druid/pull/6423
This is a PR merged from a forked repository. As GitHub hides the original diff on merge, it is displayed below for the sake of provenance: As this is a foreign pull request (from a fork), the diff is supplied below (as it won't show otherwise due to GitHub magic): diff --git a/docs/content/operations/metrics.md b/docs/content/operations/metrics.md index ad9752385e2..e08aecb04b2 100644 --- a/docs/content/operations/metrics.md +++ b/docs/content/operations/metrics.md @@ -197,8 +197,8 @@ These metrics are only available if the JVMMonitor module is included. |`jvm/mem/max`|Max memory.|memKind.|Varies.| |`jvm/mem/used`|Used memory.|memKind.|< max memory| |`jvm/mem/committed`|Committed memory.|memKind.|close to max memory| -|`jvm/gc/count`|Garbage collection count.|gcName.|< 100| -|`jvm/gc/cpu`|Cpu time in Nanoseconds spent on garbage collection.|gcName.|< 1s| +|`jvm/gc/count`|Garbage collection count.|gcName (cms/g1/parallel/etc.), gcGen (old/young)|Varies.| +|`jvm/gc/cpu`|Cpu time in Nanoseconds spent on garbage collection.|gcName, gcGen|Sum of `jvm/gc/cpu` should be within 10-30% of sum of `jvm/cpu/total`, depending on the GC algorithm used (reported by [`JvmCpuMonitor`](../configuration/index.html#enabling-metrics)) | ### EventReceiverFirehose ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
