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https://issues.apache.org/jira/browse/HDFS-7740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yi Liu updated HDFS-7740:
-------------------------
    Attachment: HDFS-7740.002.patch

[~shv], since we use 3 datanodes in {{TestFileTruncate}}, how about we still 
keep these tests in the same file, and we don't need to use separate 
MiniDFSCluster for each test case. Of course, we make sure all the DNs are up 
after each test case.

Update the patch, please take a look.

> Test truncate with DataNodes restarting
> ---------------------------------------
>
>                 Key: HDFS-7740
>                 URL: https://issues.apache.org/jira/browse/HDFS-7740
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: 2.7.0
>            Reporter: Konstantin Shvachko
>            Assignee: Yi Liu
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7740.001.patch, HDFS-7740.002.patch
>
>
> Add a test case, which ensures replica consistency when DNs are failing and 
> restarting.



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