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From "Walter Su (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7891) A block placement policy with best rack failure tolerance
Date Thu, 16 Apr 2015 06:42:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14497631#comment-14497631
] 

Walter Su commented on HDFS-7891:
---------------------------------

006 patch updates:
bq. maxNodesPerRack no longer denotes the maximum nodes to be allocated per rack.
1. fixed. Also because maxNodesPerRack used for choosing favored Nodes. To avoid any bugs,
006 patch fixed it.
2. fixed all three _Nits_.
3. add more test cases.

> A block placement policy with best rack failure tolerance
> ---------------------------------------------------------
>
>                 Key: HDFS-7891
>                 URL: https://issues.apache.org/jira/browse/HDFS-7891
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: namenode
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Minor
>         Attachments: HDFS-7891.005.dup.patch, HDFS-7891.005.patch, HDFS-7891.006.patch
>
>
> a block placement policy tries its best to place replicas to most racks.



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