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Clarify doc of ingest/handoff/time metric (#13856)

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Kashif Faraz 2023-02-28 10:37:47 +05:30 committed by GitHub
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docs/operations/metrics.md
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@ -225,7 +225,7 @@ batch ingestion emit the following metrics. These metrics are deltas for each em
|`ingest/notices/queueSize`|Number of pending notices to be processed by the coordinator.|`dataSource`, `tags`|Typically 0 and occasionally in lower single digits. Should not be a very high number. |
|`ingest/notices/time`|Milliseconds taken to process a notice by the supervisor.|`dataSource`, `tags`| < 1s |
|`ingest/pause/time`|Milliseconds spent by a task in a paused state without ingesting.|`dataSource`, `taskId`, `tags`| < 10 seconds|
|`ingest/handoff/time`|Total time taken for each set of segments handed off.|`dataSource`, `taskId`, `taskType`, `tags`|Depends on coordinator cycle time.|
|`ingest/handoff/time`|Total number of milliseconds taken to handoff a set of segments.|`dataSource`, `taskId`, `taskType`, `tags`|Depends on coordinator cycle time.|
Note: If the JVM does not support CPU time measurement for the current thread, `ingest/merge/cpu` and `ingest/persists/cpu` will be 0.