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Posted to hdfs-dev@hadoop.apache.org by "Amithsha (Jira)" <ji...@apache.org> on 2020/08/04 04:29:00 UTC

[jira] [Created] (HDFS-15511) Support AvailableSpaceBlockPlacementPolicy in BlockPlacementPolicyRackFaultTolerant

Amithsha created HDFS-15511:
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             Summary: Support AvailableSpaceBlockPlacementPolicy in BlockPlacementPolicyRackFaultTolerant
                 Key: HDFS-15511
                 URL: https://issues.apache.org/jira/browse/HDFS-15511
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Amithsha


As per BlockPlacementPolicyRackFaultTolerant, one block per rack is placed but due to this Heterogeneous datanodes are not supported in Hadoop3. So we need to change the BlockPlacementPolicyRackFaultTolerant to place one block on a rack with the AvailableSpaceBlockPlacementPolicy feature.



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