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https://issues.apache.org/jira/browse/HDFS-9430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15038204#comment-15038204
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Ming Ma commented on HDFS-9430:
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Thanks all. I agree with the above analysis and the patch is good to go. For
the http scenario, {{NameNodeHttpServer}} is started up before fsimage load. So
it seems possible for {{NamenodeFsck#fsck}} to get a NPE when it tries to
access RPC server. But that is ok as the jetty thread will catch that exception
and NN startup won't be impacted.
> waitforloadingfsimage() can be removed since checknnstartup() already ensures
> image loaded and namenode started.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-9430
> URL: https://issues.apache.org/jira/browse/HDFS-9430
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HDFS-9430.patch
>
>
> After initial startup,loading fsimage in between happens only for
> secondarynn..But it wn't server any client requests.
> So IMO it would be ok to remove it.
> Please check commement [here
> |https://issues.apache.org/jira/browse/HDFS-9413?focusedCommentId=15005129&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15005129]
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