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https://issues.apache.org/jira/browse/AMBARI-2784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725534#comment-13725534
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Siddharth Wagle commented on AMBARI-2784:
-----------------------------------------
Added:
yarn.app.mapreduce.am.resource.mb ( default 1.5 GB )
yarn.app.mapreduce.am.command-opts ( default -Xmx1024m )
Removed:
mapred.cluster.reduce.memory.mb
mapred.job.map.memory.mb
mapred.job.reduce.memory.mb
Edited:
mapred.child.java.opts
> Ambari memory params configuration is not right for yarn and mapreducde
> ------------------------------------------------------------------------
>
> Key: AMBARI-2784
> URL: https://issues.apache.org/jira/browse/AMBARI-2784
> Project: Ambari
> Issue Type: Bug
> Components: controller
> Affects Versions: 1.4.0
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Fix For: 1.4.0
>
> Attachments: AMBARI-2784.patch
>
>
> Looks like Amabri carried over many memory related parameter from stack 1.x
> to stack 2.x. Many of those parameters are not applicable in 2.x.
> This is in the context of configuration parameters for yarn and mapreduce.
> Some paramters need to be set with different default values.
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