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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8786) Erasure coding: DataNode should transfer striped blocks before being decommissioned
Date Fri, 26 Feb 2016 14:23:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15169077#comment-15169077
] 

Rakesh R commented on HDFS-8786:
--------------------------------

Note: Attached another patch to fix unit test failure.

> Erasure coding: DataNode should transfer striped blocks before being decommissioned
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-8786
>                 URL: https://issues.apache.org/jira/browse/HDFS-8786
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Zhe Zhang
>            Assignee: Rakesh R
>         Attachments: HDFS-8786-001.patch, HDFS-8786-002.patch, HDFS-8786-003.patch, HDFS-8786-draft.patch
>
>
> Per [discussion | https://issues.apache.org/jira/browse/HDFS-8697?focusedCommentId=14609004&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14609004]
under HDFS-8697, it's too expensive to reconstruct block groups for decomm purpose.



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