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https://issues.apache.org/jira/browse/HAWQ-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16032139#comment-16032139
]
ASF GitHub Bot commented on HAWQ-1473:
--------------------------------------
Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/120#discussion_r119488319
--- Diff: markdown/ranger/ranger-integration-config.html.md.erb ---
@@ -129,6 +129,64 @@ Once the connection between HAWQ and Ranger is
configured, you may choose to set
5. Click **Save** to save your changes.
6. Select **Service Actions > Restart All** and confirm that you want to
restart the HAWQ cluster.
+## <a id="enableha"></a>Step 3: (Optional) Register a Standby Ranger
Plug-in Service
+
+The HAWQ Ranger Plug-in Service runs on the HAWQ master node. If this
service goes down, all HAWQ database operations will fail. Configure a highly
available HAWQ Ranger Plug-in Service to eliminate possible downtime should
this situation occur.
+
+Ranger Admin high availability and HAWQ Ranger Plug-in Service high
availability are independent; you can configure HAWQ Ranger Plug-in Service HA
without configuring HA for Ranger Admin.
+
+### Prerequisites <a id="rps_ha_cfg_prereq"></a>
+
+Before you configure HAWQ Ranger authentication in high availability mode,
ensure that you have:
+
+- Installed or upgraded to a version of HAWQ that includes support for
HAWQ Ranger Authentication.
--- End diff --
Wondering if this first bullet is really needed...
> document ranger plug-in service high availability
> -------------------------------------------------
>
> Key: HAWQ-1473
> URL: https://issues.apache.org/jira/browse/HAWQ-1473
> Project: Apache HAWQ
> Issue Type: Improvement
> Components: Documentation
> Reporter: Lisa Owen
> Assignee: David Yozie
>
> add RPS high availability information to the docs. include config info as
> well as failover scenarios.
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