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https://issues.apache.org/jira/browse/HDFS-15511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17170545#comment-17170545
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Amithsha commented on HDFS-15511:
---------------------------------
[~ayushsaxena]
[~weichiu]
FYI
> Support AvailableSpaceBlockPlacementPolicy in
> BlockPlacementPolicyRackFaultTolerant
> -----------------------------------------------------------------------------------
>
> Key: HDFS-15511
> URL: https://issues.apache.org/jira/browse/HDFS-15511
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Amithsha
> Priority: Major
>
> 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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