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https://issues.apache.org/jira/browse/KAFKA-892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neha Narkhede closed KAFKA-892.
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> Change request log to include request completion not handling
> -------------------------------------------------------------
>
> Key: KAFKA-892
> URL: https://issues.apache.org/jira/browse/KAFKA-892
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Affects Versions: 0.8
> Reporter: Neha Narkhede
> Assignee: Neha Narkhede
> Priority: Critical
> Labels: kafka-0.8
> Attachments: kafka-892.patch
>
>
> While troubleshooting a lot of 0.8 issues, what I've seen is that often times
> than not, I've wanted the request processing latency breakdown to be part of
> the request log. There are of course mbeans to expose this information, but
> when you are trying to troubleshoot the root cause of few slow requests, this
> is immensely helpful. Currently, we only include request reception in the
> request log. We could include both but that would double the size of the
> request log. So I'm proposing adding just the request completion information
> in the request log. This will not just tell us which request came into the
> server, but will also give us a breakdown of where it spent most of its
> processing time.
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