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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-5493) Optimize calls to flush for tasks and standby tasks
Date Sat, 23 Sep 2017 04:28:19 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-5493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Guozhang Wang updated KAFKA-5493:
---------------------------------
    Fix Version/s:     (was: 1.0.0)
                   1.1.0

> 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: 1.1.0
>
>
> 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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