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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5149) Support for federated cache pools
Date Wed, 22 Jan 2014 22:02:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13879247#comment-13879247

Chris Nauroth commented on HDFS-5149:

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

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