maytasm commented on a change in pull request #11200:
URL: https://github.com/apache/druid/pull/11200#discussion_r627844264
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File path: docs/operations/metrics.md
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@@ -256,6 +256,7 @@ These metrics are for the Druid Coordinator and are reset
each time the Coordina
|`interval/skipCompact/count`|Total number of intervals of this datasource
that are skipped (not eligible for auto compaction) by the auto
compaction.|datasource.|Varies.|
|`coordinator/time`|Approximate Coordinator duty runtime in milliseconds. The
duty dimension is the string alias of the Duty that is being run.|duty.|Varies.|
|`coordinator/global/time`|Approximate runtime of a full coordination cycle in
milliseconds. The `dutyGroup` dimension indicates what type of coordination
this run was. i.e. Historical Management vs Indexing|`dutyGroup`|Varies.|
+|`metadata/kill/supervisor/count`|Total number of terminated supervisors
automatically deleted from metadata store supervisor table per each Coordinator
kill supervisor duty run. This metric can help adjust
`druid.coordinator.kill.supervisor.durationToRetain` configuration based on if
more or less terminated supervisors need to be deleted per cycle. Note that
this metric is only emitted when `druid.coordinator.kill.supervisor.on` is set
to true.| |Varies.|
Review comment:
Done
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