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https://issues.apache.org/jira/browse/HAWQ-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027144#comment-16027144
 ] 

ASF GitHub Bot commented on HAWQ-1473:
--------------------------------------

Github user ictmalili commented on a diff in the pull request:

    https://github.com/apache/incubator-hawq-docs/pull/120#discussion_r118811032
  
    --- Diff: markdown/ranger/ranger-integration-config.html.md.erb ---
    @@ -129,6 +129,62 @@ 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.
    +
    +### 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.
    +
    +- Configured Ranger Admin for high availability.
    --- End diff --
    
    Actually Ranger HA and RPS HA are two separated and independent parts. If 
the user does not configure Ranger HA, he can also configure RPS HA in HAWQ 
standby master.


> 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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