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  1. Hadoop HDFS
  2. HDFS-7541 Upgrade Domains in HDFS
  3. HDFS-9006

Provide BlockPlacementPolicy that supports upgrade domain

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.8.0, 3.0.0-alpha1
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    • None
    • 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>
      

      Attachments

        1. HDFS-9006.patch
          31 kB
          Ming Ma
        2. HDFS-9006-2.patch
          48 kB
          Ming Ma
        3. HDFS-9006-3.patch
          48 kB
          Ming Ma

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            mingma Ming Ma
            mingma Ming Ma
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