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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HDFS-1629) Add a method to BlockPlacementPolicy for not removing the chosen nodes
Date Fri, 18 Feb 2011 16:07:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved HDFS-1629.
------------------------------------------

    Resolution: Fixed

MAPREDUCE-2334 is committed.  Feel free to reopen this if you find any problem.

> Add a method to BlockPlacementPolicy for not removing the chosen nodes
> ----------------------------------------------------------------------
>
>                 Key: HDFS-1629
>                 URL: https://issues.apache.org/jira/browse/HDFS-1629
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.23.0
>
>         Attachments: h1629_20110216.patch, h1629_20110217.patch
>
>
> {{BlockPlacementPolicy}} supports chosen nodes in some of the {{chooseTarget(..)}} methods.
 The chosen nodes will be removed from the output array.  For adding new datanodes to an existing
pipeline, it is useful to keep the chosen nodes in the output array.

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