Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/120#discussion_r119487987
--- 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.
--- End diff --
Might want to add that configuring HA for both is advised? Also, this
section uses the abbreviated term "Ranger Admin" throughout, which seems
confusing to me. Should probably stick with "Ranger Administration Host" to
stay consistent with the first part of the doc.
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