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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9006) Provide BlockPlacementPolicy that supports upgrade domain
Date Mon, 05 Oct 2015 15:59:26 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ming Ma updated HDFS-9006:
--------------------------
    Assignee: Ming Ma
      Status: Patch Available  (was: Open)

> Provide BlockPlacementPolicy that supports upgrade domain
> ---------------------------------------------------------
>
>                 Key: HDFS-9006
>                 URL: https://issues.apache.org/jira/browse/HDFS-9006
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>         Attachments: HDFS-9006.patch
>
>
> As part of the upgrade domain feature, we need to provide the actual upgrade domain block
placement.
> Namenode provides a mechanism to specify custom block placement policy. We can use that
to implement BlockPlacementPolicy with upgrade domain support.
> {noformat}
> <property>
> <name>dfs.block.replicator.classname</name>
> <value>org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyWithUpgradeDomain</value>
> </property>
> {noformat}



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