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https://issues.apache.org/jira/browse/YARN-6140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15899804#comment-15899804
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Sangjin Lee commented on YARN-6140:
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As mentioned above, This is not reproduced in the trunk version (YARN-5355) or
the branch-2 version (YARN-5355-branch-2). I saw this when I backported
timeline service to our internal branch based on 2.6. The unit test fails
because remove calls did not remove the records fully.
I'm not too sure why the same code works against > 2.6 but not for 2.6. Since
this is not happening in the latest versions, I don't think it's a serious
issue. But I wanted to see if we can still delete the column to be on the safe
side. It would be good to understand why it does not work against 2.6.
> start time key in NM leveldb store should be removed when container is removed
> ------------------------------------------------------------------------------
>
> Key: YARN-6140
> URL: https://issues.apache.org/jira/browse/YARN-6140
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: YARN-5355
> Reporter: Sangjin Lee
> Assignee: Ajith S
>
> It appears that the start time key is not removed when the container is
> removed. The key was introduced in YARN-5792.
> I found this while backporting the YARN-5355-branch-2 branch to our internal
> branch loosely based on 2.6.0. The {{TestNMLeveldbStateStoreService}} test
> was failing because of this.
> I'm not sure why we didn't see this earlier.
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