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Posted to mapreduce-issues@hadoop.apache.org by "Haibo Chen (JIRA)" <ji...@apache.org> on 2016/08/24 22:43:20 UTC
[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
[ 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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