Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/37#discussion_r85016858
--- Diff: reference/cli/admin_utilities/hawqstop.html.md.erb ---
@@ -23,6 +23,7 @@ The `hawq stop` utility is used to stop the database
servers that comprise a HAW
By default, you are not allowed to shut down HAWQ if there are any client
connections to the database. Use the `-M fast` option to roll back all in
progress transactions and terminate any connections before shutting down. If
there are any transactions in progress, the default behavior is to wait for
them to commit before shutting down.
With the `-u` option, the utility uploads changes made to the master
`pg_hba.conf` file or to *runtime* configuration parameters in the master
`hawq-site.xml` file without interruption of service. Note that any active
sessions will not pick up the changes until they reconnect to the database.
+When active connections to the database are present, use the command `hawq
stop cluster -u -M fast` to ensure that changes to the parameters are reloaded.
--- End diff --
Small edit:
If the HAWQ cluster has active connections,
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