[ https://issues.apache.org/jira/browse/AMBARI-15770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexander Denissov updated AMBARI-15770: ---------------------------------------- Status: Patch Available (was: Reopened) > 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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)