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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7740) Test truncate with DataNodes restarting
Date Fri, 06 Feb 2015 01:45:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308434#comment-14308434
] 

Tsz Wo Nicholas Sze commented on HDFS-7740:
-------------------------------------------

Some test cases:  
- Create a single block file with 3 replicas.  Truncate mid of block and then immediately
restart 2 of the DNs.  Check the files
- Same as before except completely shutting down 3 of the DNs but not restarting them.

> 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
>
>
> Add a test case, which ensures replica consistency when DNs are failing and restarting.



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