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https://issues.apache.org/jira/browse/HDFS-9413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15003365#comment-15003365
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Ming Ma commented on HDFS-9413:
-------------------------------

Thanks [~brahmareddy]. You bring up an interesting point, why getContentSummary 
is allowed on Standby NN when stale read is disabled. {{TestQuotasWithHA}} 
actually calls {{HAUtil.setAllowStandbyReads(conf, true);}} first.

* Is {{waitForLoadingFSImage}} needed given {{NameNodeRpcServer}} has checked 
via {{checkNNStartup}}?
* Maybe you can just modify {{TestQuotasWithHA}} instead for the test case.

Otherwise, it looks good.

> getContentSummary() on standby should throw StandbyException
> ------------------------------------------------------------
>
>                 Key: HDFS-9413
>                 URL: https://issues.apache.org/jira/browse/HDFS-9413
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: HDFS-9413.patch
>
>
> Currently when we call getContentSummary() on standby it will not throw 
> StandbyException.



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