Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/36#discussion_r85776994
--- Diff: bestpractices/general_bestpractices.html.md.erb ---
@@ -9,6 +9,8 @@ When using HAWQ, adhere to the following guidelines for
best results:
- **Use a consistent `hawq-site.xml` file to configure your entire
cluster**:
Configuration guc/parameters are located in
`$GPHOME/etc/hawq-site.xml`. This configuration file resides on all HAWQ
instances and can be modified by using the `hawq config` utility. You can use
the same configuration file cluster-wide across both master and segments.
+
+ If you install and manage HAWQ using Ambari, do not use `hawq config`
to set or change HAWQ configuration properties. Use the Ambari interface for
all configuration changes. Configuration changes to `hawq-site.xml` made
outside the Ambari interface will be overwritten when HAWQ restarted or
reconfigured using Ambari.
--- End diff --
Missing word: when HAWQ **is** restarted
And/or edit for passive voice
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