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dhruba borthakur commented on HDFS-1629:
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+1, looks fine to me.
> 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: data-node, hdfs client
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h1629_20110216.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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