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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6919) Enforce a single limit for RAM disk usage and replicas cached via locking
Date Tue, 16 Dec 2014 03:05:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247657#comment-14247657
] 

Colin Patrick McCabe commented on HDFS-6919:
--------------------------------------------

I'm not sure if I will have time for this in the 2.7 timeframe.  If you'd like to take this
jira then please do

> Enforce a single limit for RAM disk usage and replicas cached via locking
> -------------------------------------------------------------------------
>
>                 Key: HDFS-6919
>                 URL: https://issues.apache.org/jira/browse/HDFS-6919
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Arpit Agarwal
>            Assignee: Colin Patrick McCabe
>            Priority: Blocker
>
> The DataNode can have a single limit for memory usage which applies to both replicas
cached via CCM and replicas on RAM disk.
> See comments [1|https://issues.apache.org/jira/browse/HDFS-6581?focusedCommentId=14106025&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14106025],
[2|https://issues.apache.org/jira/browse/HDFS-6581?focusedCommentId=14106245&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14106245]
and [3|https://issues.apache.org/jira/browse/HDFS-6581?focusedCommentId=14106575&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14106575]
for discussion.



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