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From "Andrew Ferguson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4351) Make ContainersMonitor pluggable
Date Wed, 20 Jun 2012 19:34:42 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13397804#comment-13397804
] 

Andrew Ferguson commented on MAPREDUCE-4351:
--------------------------------------------

.bq Oh also please look into the findbugs and javadoc warnings.

The findbugs warning is spurious; it's from existing code and triggered by the rename of the
file. (the cast happens inside a switch block on monitoringEvent.getType())

Not sure about the javadoc warnings yet.

                
> Make ContainersMonitor pluggable
> --------------------------------
>
>                 Key: MAPREDUCE-4351
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4351
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2, nodemanager
>            Reporter: Andrew Ferguson
>            Assignee: Andrew Ferguson
>         Attachments: MAPREDUCE-4351-v1.patch, MAPREDUCE-4351-v2.patch, MAPREDUCE-4351-v3.patch,
MAPREDUCE-4351-v4.patch, MAPREDUCE-4351-v4.patch
>
>
> Make the existing ContainersManager pluggable, just as the ContainerExecutor is currently.
This will allow us to add container resource enforcement using other techniques (such as cgroups)
in an extensible fashion.

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