Details
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Sub-task
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Status: Resolved
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Major
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Resolution: Fixed
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None
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Reviewed
Description
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.
<property> <name>dfs.block.replicator.classname</name> <value>org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyWithUpgradeDomain</value> </property>