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From "Alexander Denissov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-15770) HAWQ fails to connect to YARN in HA+SEC mode
Date Thu, 07 Apr 2016 17:54:25 GMT
Alexander Denissov created AMBARI-15770:
-------------------------------------------

             Summary: 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


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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