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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5651) Backport Fair Scheduler queue placement policies to branch-1
Date Tue, 31 Dec 2013 20:00:50 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13859648#comment-13859648
] 

Sandy Ryza commented on MAPREDUCE-5651:
---------------------------------------

Thanks Ted.  A few more comments:

{code}
+    //CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING,
+    placementPolicyConfig.setClass("hadoop.security.group.mapping",
{code}
Can take out the comment and just use CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING
as the argument?

All mentions of "queue" should still be replaced with mentions of "pool".

{code}
+    rules.add(new QueuePlacementRule.Specified().initialize(true, null));
{code}
In simple placement rules, create param on the "specified" rule should only be true if allow
undeclared pools property is true.

> Backport Fair Scheduler queue placement policies to branch-1
> ------------------------------------------------------------
>
>                 Key: MAPREDUCE-5651
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5651
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Sandy Ryza
>         Attachments: MAPREDUCE-5651.2.patch, MAPREDUCE-5651.patch
>
>
> YARN-1392 introduced general policies for assigning applications to queues in the YARN
fair scheduler.  This functionality would be useful and minimally invasive in MR1 as well.



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