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https://issues.apache.org/jira/browse/HDFS-14546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16880930#comment-16880930
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Amithsha commented on HDFS-14546:
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[~elgoiri] Yes we should provide a subpage with details of all placement
policies with architecture and configurations to deploy.
But on this page, HdfsDesign.html providing high-level design and types about
placement policies will be better. Because while reading the arch of Hadoop and
it's internal, placement types will help users to consider their environment.
> 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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