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Date: Wed, 24 Aug 2016 22:43:20 +0000 (UTC)
From: "Haibo Chen (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <JIRA.12999311.1471974738000.403062.1472078600482@Atlassian.JIRA>
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References: <JIRA.12999311.1471974738000@Atlassian.JIRA> <JIRA.12999311.1471974738452@arcas>
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
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archived-at: Wed, 24 Aug 2016 22:43:22 -0000


    [ 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:
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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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