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https://issues.apache.org/jira/browse/HDFS-5960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13904954#comment-13904954
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Tsz Wo (Nicholas), SZE commented on HDFS-5960:
----------------------------------------------

Hi Arpit, the changes in your patch actually are good.  Let me fix HDFS-5963 
and include them in it.

> Fix TestRollingUpgrade
> ----------------------
>
>                 Key: HDFS-5960
>                 URL: https://issues.apache.org/jira/browse/HDFS-5960
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: HDFS-5960.01.patch, HDFS-5960.02.patch
>
>
> {{TestRollingUpgrade}} fails when restarting the NN because 
> {{OP_ROLLING_UPGRADE_START}} and {{OP_ROLLING_UPGRADE_FINALIZE}} are not 
> expected.
> The fix is to start/finalize rolling upgrade when the corresponding edit log 
> op is seen.



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