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https://issues.apache.org/jira/browse/HDFS-5149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13879247#comment-13879247
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Chris Nauroth commented on HDFS-5149:
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Agreed, thanks Andrew. The only remaining work here was testing, and we can
file new, more specific issues if that testing uncovers any problems.
> Support for federated cache pools
> ---------------------------------
>
> Key: HDFS-5149
> URL: https://issues.apache.org/jira/browse/HDFS-5149
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: HDFS-4949
> Reporter: Andrew Wang
> Assignee: Andrew Wang
>
> The federation concept of a "blockpool" has not pervaded the caching
> implementation thus far, e.g. datanodes do not track and report usage by
> block pool, some namenode operations are not block pool aware. This requires
> re-examination of protobufs / protocol / handling throughout.
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