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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-15770) HAWQ fails to connect to YARN in HA+SEC mode
Date Thu, 14 Apr 2016 01:19:25 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-15770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240376#comment-15240376
] 

Hudson commented on AMBARI-15770:
---------------------------------

SUCCESS: Integrated in Ambari-branch-2.2 #631 (See [https://builds.apache.org/job/Ambari-branch-2.2/631/])
AMBARI-15770. HAWQ fails to connect to YARN in HA SEC mode (adenissov) (adenissov: [http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=15531dea82c5e34e2a1b4941329d508dbdf43a78])
* ambari-server/src/main/resources/common-services/HAWQ/2.0.0/kerberos.json


> 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
>            Priority: Blocker
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15770.branch22.1.patch, 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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