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https://issues.apache.org/jira/browse/KAFKA-3811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Greg Fodor updated KAFKA-3811:
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Attachment: Muon-latency.zip
> Introduce Kafka Streams metrics recording levels
> ------------------------------------------------
>
> Key: KAFKA-3811
> URL: https://issues.apache.org/jira/browse/KAFKA-3811
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Greg Fodor
> Assignee: aarti gupta
> Attachments: Muon-Snapshot.zip, Muon-latency.zip, screenshot-1.png
>
>
> Follow-up from the discussions here:
> https://github.com/apache/kafka/pull/1447
> https://issues.apache.org/jira/browse/KAFKA-3769
> The proposal is to introduce configuration to control the granularity/volumes
> of metrics emitted by Kafka Streams jobs, since the per-record level metrics
> introduce non-trivial overhead and are possibly less useful once a job has
> been optimized.
> Proposal from guozhangwang:
> level0 (stream thread global): per-record process / punctuate latency, commit
> latency, poll latency, etc
> level1 (per processor node, and per state store): IO latency, per-record ..
> latency, forward throughput, etc.
> And by default we only turn on level0.
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