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FAQ
Add a method to BlockPlacementPolicy for not removing the chosen nodes
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Key: HDFS-1629
URL: https://issues.apache.org/jira/browse/HDFS-1629
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE


{{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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  • Todd Lipcon (JIRA) at Feb 17, 2011 at 8:00 am ⇧
    [ https://issues.apache.org/jira/browse/HDFS-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Todd Lipcon reopened HDFS-1629:
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    Add a method to BlockPlacementPolicy for not removing the chosen nodes
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    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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  • Tsz Wo (Nicholas), SZE (JIRA) at Feb 18, 2011 at 4:08 pm ⇧
    [ https://issues.apache.org/jira/browse/HDFS-1629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    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.
    --
    This message is automatically generated by JIRA.
    -
    For more information on JIRA, see: http://www.atlassian.com/software/jira

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