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https://issues.apache.org/jira/browse/HAWQ-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16032141#comment-16032141
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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_r119492058
--- Diff: markdown/reference/guc/parameter_definitions.html.md.erb ---
@@ -2147,6 +2149,14 @@ Identifies the port on which the HAWQ Ranger Plug-in
Service runs. The `hawq_rps
|-------------------------------------------------------------------------|---------------------|-------------------------|
| valid port number | 8432 | master, reload |
+## <a
name="hawq_rps_check_local_interval"></a>hawq\_rps\_check\_local\_interval
+
+When HAWQ Ranger authentication high availability mode is enabled and the
Ranger Plug-in Service is active on the standby master node, HAWQ attempts to
switch back to the service located on the master node as soon as it becomes
available. The HAWQ master periodically attempts to re-establish contact with
the service on the local node, using `hawq_rps_check_local_interval` as the
polling time interval (in seconds) for this contact.
--- End diff --
This wording is a bit unclear as to whether it's talking about just the
standby ranger service being used (which is the intent) vs whether the entire
master node is down and the standby plug-in is being used. I think it would be
better to repeat the wording used in `ranger-ha.html`, which starts "Should the
HAWQ master node fail to communicate with the local Ranger Plug-in Service..."
> 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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