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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-6364) Add Second Check for End Offset During Restore
Date Thu, 01 Feb 2018 23:02:01 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-6364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349456#comment-16349456
] 

ASF GitHub Bot commented on KAFKA-6364:
---------------------------------------

bbejeck opened a new pull request #4511: KAFKA-6364: second check for ensuring changelog topic
not changed during restore
URL: https://github.com/apache/kafka/pull/4511
 
 
   Added a second check for race condition where store changelog topic updated during restore,
but not if a KTable changelog topic. 
   
   This will be tricky to test, but I wanted to push the PR to get feedback on the approach.
   
   ### Committer Checklist (excluded from commit message)
   - [ ] Verify design and implementation 
   - [ ] Verify test coverage and CI build status
   - [ ] Verify documentation (including upgrade notes)
   

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> Add Second Check for End Offset During Restore
> ----------------------------------------------
>
>                 Key: KAFKA-6364
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6364
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 1.0.0
>            Reporter: Bill Bejeck
>            Assignee: Bill Bejeck
>            Priority: Major
>             Fix For: 1.0.2
>
>
> We need to re-check the ending offset when restoring a changelog topic to guard against
the race condition of an additional record appended to log immediately on restoring start.
 Also, need to add a check for KTable source topic and if offset limit is set.



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