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https://issues.apache.org/jira/browse/KAFKA-15380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justine Olshan resolved KAFKA-15380.
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Resolution: Fixed
> Try complete actions after callback
> -----------------------------------
>
> Key: KAFKA-15380
> URL: https://issues.apache.org/jira/browse/KAFKA-15380
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Justine Olshan
> Assignee: Justine Olshan
> Priority: Blocker
>
> KIP-890 part 1 introduced the callback request type. It is used to execute a
> callback after KafkaApis.handle has returned. We did not account for
> tryCompleteActions at the end of handle when making this change.
> In tests, we saw produce p99 increase dramatically (likely because we have to
> wait for another request before we can complete DelayedProduce). As a result,
> we should add the tryCompleteActions after the callback as well. In testing,
> this improved the produce performance.
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