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https://issues.apache.org/jira/browse/SAMZA-1465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210205#comment-16210205
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ASF GitHub Bot commented on SAMZA-1465:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/samza/pull/331
> Performance regression for KafkaCheckpointManager
> -------------------------------------------------
>
> Key: SAMZA-1465
> URL: https://issues.apache.org/jira/browse/SAMZA-1465
> Project: Samza
> Issue Type: Bug
> Reporter: Jake Maes
> Assignee: Jake Maes
> Fix For: 0.14.0
>
>
> SAMZA-1427 introduced a performance regression with KafkaCheckpointManager.
> We invoke the checkpoint manager once for each task and the old code would
> only read the delta for each subsequent call. The SAMZA-1427 code would
> reread the entire checkpoint topic for each call.
> This effect is even worse when log compaction is not running on the broker.
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