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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9006) Provide BlockPlacementPolicy that supports upgrade domain
Date Wed, 02 Sep 2015 03:14:45 GMT
Ming Ma created HDFS-9006:
-----------------------------

             Summary: 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


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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