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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (MAPREDUCE-6765) MR should not schedule container requests in cases where reducer or mapper containers demand resource larger than the maximum supported
Date Wed, 24 Aug 2016 22:43:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15435862#comment-15435862
] 

Haibo Chen edited comment on MAPREDUCE-6765 at 8/24/16 10:42 PM:
-----------------------------------------------------------------

Tested it on a pseudo-distributed cluster, ran a pi job that requests a container bigger than
what is supported at maximum, worked fine.


was (Author: haibochen):
Tested it on a pseudo-distributed cluster, ran a pi job, worked fine.

> MR should not schedule container requests in cases where reducer or mapper containers
demand resource larger than the maximum supported
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6765
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6765
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.7.2
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>            Priority: Minor
>             Fix For: 2.9.0
>
>         Attachments: mapreduce6765.001.patch
>
>
> When mapper or reducer containers request resource larger than the maxResourceRequest
in the cluster, job is to be killed. In such cases, it is unnecessary to still schedule container
requests.  



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