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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5141) Add cache status information to datanode heartbeat
Date Wed, 04 Sep 2013 17:00:56 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757944#comment-13757944
] 

Brandon Li commented on HDFS-5141:
----------------------------------

[~andrew.wang]: do you also plan to add the cache status to namenode UI?
                
> Add cache status information to datanode heartbeat
> --------------------------------------------------
>
>                 Key: HDFS-5141
>                 URL: https://issues.apache.org/jira/browse/HDFS-5141
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: HDFS-4949
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: HDFS-4949
>
>         Attachments: hdfs-5141-1.patch, hdfs-5141-2.patch
>
>
> We need to propagate the cache capacity and cache remaining from the datanode to the
namenode to make appropriate caching decisions.

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