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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 17:29:23 UTC
[GitHub] [beam] kennknowles opened a new issue, #18359: Add Watermark Metrics in Runners
kennknowles opened a new issue, #18359:
URL: https://github.com/apache/beam/issues/18359
The source watermark metrics show the consumer latency of Source.
It allows the user to know the health of the job, or it can be used to monitor and alarm.
Since each runner is likely already tracking a watermark, another option here is to just have the runner report it appropriately, rather than having the source report it using metrics. This also addresses the fact that even if the source has advanced to 8:00, the runner may still know about buffered elements at 7:00, and so not advance the watermark all the way to 8:00. [~bchambers]
Includes:
1.Source watermark (`min` amongst all splits):
type = Gauge, namespace = io, name = source_watermark
2.Source watermark per split:
type = Gauge, namespace = io.splits, name = <split_id\>.source_watermark
Imported from Jira [BEAM-1941](https://issues.apache.org/jira/browse/BEAM-1941). Original Jira may contain additional context.
Reported by: lzljs3620320.
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[GitHub] [beam] kennknowles commented on issue #18359: Add Watermark Metrics in Runners
Posted by GitBox <gi...@apache.org>.
kennknowles commented on issue #18359:
URL: https://github.com/apache/beam/issues/18359#issuecomment-1146202710
The following subtask(s) are associated with this issue: #18360, #18361, #18362
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