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Posted to hdfs-issues@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2015/01/28 20:15:36 UTC

[jira] [Commented] (HDFS-7690) Avoid Block movement in Balancer and Mover for the erasure encoded blocks

    [ https://issues.apache.org/jira/browse/HDFS-7690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14295652#comment-14295652 ] 

Tsz Wo Nicholas Sze commented on HDFS-7690:
-------------------------------------------

Hi Vinay, there is already a balancer/mover JIRA, HDFS-7621.

> Avoid Block movement in Balancer and Mover for the erasure encoded blocks
> -------------------------------------------------------------------------
>
>                 Key: HDFS-7690
>                 URL: https://issues.apache.org/jira/browse/HDFS-7690
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>
> As striped design says, its would be more fault tolerant if the striped blocks reside in different nodes of different racks. But Balancer and Mover may break this by moving the encoded blocks.



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