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Posted to dev@kafka.apache.org by "Bill Bejeck (JIRA)" <ji...@apache.org> on 2017/06/21 21:59:00 UTC

[jira] [Created] (KAFKA-5493) Optimize calls to flush for tasks and standby tasks

Bill Bejeck created KAFKA-5493:
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             Summary: Optimize calls to flush for tasks and standby tasks
                 Key: KAFKA-5493
                 URL: https://issues.apache.org/jira/browse/KAFKA-5493
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: Bill Bejeck
            Assignee: Bill Bejeck
             Fix For: 0.11.1.0


With EOS enabled we don't checkpoint on {{commit}} so there is no need to call {{flush}} when committing _top level tasks_ .  However for _standby tasks_ we still checkpoint thus need to still flush when committing. We need to develop an approach where we can optimize for top level tasks by avoid flushing on commit, while still preserving flush on commit for standby tasks.



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