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From "Matt (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-15770) HAWQ fails to connect to YARN in HA+SEC mode
Date Fri, 08 Apr 2016 18:04:25 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-15770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232613#comment-15232613
] 

Matt commented on AMBARI-15770:
-------------------------------

Committed to trunk:
{code}
author	Matt <mmathew@pivotal.io>	
Fri, 8 Apr 2016 10:59:34 -0700 (10:59 -0700)
committer	Matt <mmathew@pivotal.io>	
Fri, 8 Apr 2016 10:59:34 -0700 (10:59 -0700)
commit	2817ce67e9a5a08787ef1219a9f3b29ab41bc094
{code}
Committed to branch-2.2:
{code}
author	Matt <mmathew@pivotal.io>	
Fri, 8 Apr 2016 11:01:57 -0700 (11:01 -0700)
committer	Matt <mmathew@pivotal.io>	
Fri, 8 Apr 2016 11:01:57 -0700 (11:01 -0700)
commit	8fd439789175bcae4e4b79a3ab8d364a1bdf0717
{code}

> HAWQ fails to connect to YARN in HA+SEC mode
> --------------------------------------------
>
>                 Key: AMBARI-15770
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15770
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Alexander Denissov
>            Assignee: Alexander Denissov
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15770.branch22.patch
>
>
> When HAWQ is in the cluster with YARN HA and Kerberos enabled, the segments are down
as they cannot connect to YARN RM.
> The following updates are required:
> 1. add hadoop.security.authentication = kerberos in yarn-client.xml
> 2. add 2 properties to core-site.xml:
> <property>
>    <name>hadoop.proxyuser.postgres.hosts</name>
>    <value>*</value>
> </property>
> <property>
>    <name>hadoop.proxyuser.postgres.groups</name>
>    <value>hadoop</value>
> </property>
> 3. on every node:
> sudo useradd postgres
> sudo usermod -a -G hadoop postgres



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