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https://issues.apache.org/jira/browse/HDFS-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-1629.
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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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