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https://issues.apache.org/jira/browse/HDFS-14546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881362#comment-16881362
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Íñigo Goiri commented on HDFS-14546:
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[~Amithsha], agreed.
Can we have a new detailed page with all the details?
Then we should have a summarized version of what you added in
[^HDFS-14546-04.patch] for the overview with links to the detailed page.
> Document block placement policies
> ---------------------------------
>
> Key: HDFS-14546
> URL: https://issues.apache.org/jira/browse/HDFS-14546
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Íñigo Goiri
> Assignee: Amithsha
> Priority: Major
> Labels: documentation
> Attachments: HDFS-14546-01.patch, HDFS-14546-02.patch,
> HDFS-14546-03.patch, HDFS-14546-04.patch, HdfsDesign.patch
>
>
> Currently, all the documentation refers to the default block placement policy.
> However, over time there have been new policies:
> * BlockPlacementPolicyRackFaultTolerant (HDFS-7891)
> * BlockPlacementPolicyWithNodeGroup (HDFS-3601)
> * BlockPlacementPolicyWithUpgradeDomain (HDFS-9006)
> We should update the documentation to refer to them explaining their
> particularities and probably how to setup each one of them.
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