[jira] [Commented] (AMBARI-2784) Ambari memory params configuration is not right for yarn and mapreducde

["Siddharth Wagle (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-2784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725534#comment-13725534 ] 

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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