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https://issues.apache.org/jira/browse/HDFS-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12998529#comment-12998529
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Suresh Srinivas commented on HDFS-1632:
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Todd, we plan to do that for all the jiras. In this case most of what is
implemented is from the attached design document.
> HDFS Federation: data node storage structure changes and introduce block pool
> storage for Federation.
> ------------------------------------------------------------------------------------------------------
>
> Key: HDFS-1632
> URL: https://issues.apache.org/jira/browse/HDFS-1632
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: data-node
> Affects Versions: Federation Branch
> Reporter: Tanping Wang
> Assignee: Tanping Wang
> Fix For: Federation Branch
>
> Attachments: Federation-upgrade.htm, HDFS-1632.patch
>
>
> In Federation, we introduced block pool into HDFS. We are making changes to
> data node storage and and block pool storage.
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