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https://issues.apache.org/jira/browse/AMBARI-6086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039196#comment-14039196
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Jaimin D Jetly commented on AMBARI-6086:
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[~erinaboyd] 

This patch added namenode_heapsize property for YARN and MAPREDUCE2 services 
apart from adding it to just GLUSTERFS service.

AMBARI-4447 added the ability to add same global configurations for mutually 
exclusive services (HDFS and GLUSTERFS). Only one of them will be selected by 
the user and so only one property definition will be honored. After all 
properties mentioned in global configurations are finally saved in one 
configuration file at server. We cannot have multiple definitions of the same 
property in a way where both the definition can be chosen to save by the user 
by selecting both the services that define those properties. 
 

AMBARI-6207 reverted the added property "namenode_heapsize" for YARN and 
MAPREDUCE2 service. *The trunk and ambari-1.6.1 branch will still have 
"namenode_heapsize" property for GLUSTERFS service.* 

> Add Gluster 2.1 Support for HDP
> -------------------------------
>
>                 Key: AMBARI-6086
>                 URL: https://issues.apache.org/jira/browse/AMBARI-6086
>             Project: Ambari
>          Issue Type: New Feature
>          Components: build
>    Affects Versions: 1.6.1
>            Reporter: Scott Creeley
>            Assignee: Scott Creeley
>              Labels: 2.1.GlusterFS
>             Fix For: 1.6.1
>
>         Attachments: AMBARI-6086.patch, AMBARI-6086TRUNK.patch, 
> AMBARI-TRUNK-2.patch
>
>
> Implement 2.1.GlusterFS stack for version 1.6.1 and above.



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