DOCSP-36500 Document SIGUSR1 handling for Mongosync (#297)

* DOCSP-36500 Document SIGUSR1 handling for Mongosync

* Update source/includes/fact-log-rotation-usr1-signal.rst

Co-authored-by: Dave Rolsky <[email protected]>

* Update source/includes/fact-log-rotation-usr1-signal.rst

Co-authored-by: Jeff Allen <[email protected]>

* DOCSP-36500 updates for JA's copy feedback

---------

Co-authored-by: Dave Rolsky <[email protected]>
Co-authored-by: Jeff Allen <[email protected]>

Author: 3 people

source/includes/fact-log-rotation-usr1-signal.rst

@@ -0,0 +1,8 @@
+If you start ``mongosync`` with the ``--logPath`` option, you can send a
+``USR1`` signal to the ``mongosync`` process to rotate its log file:
+
+.. code-block:: javascript 
+
+   kill -s USR1 $mongosync_pid
+
+``$mongosync_pid`` is the ``mongosync`` process ID.

source/reference/logging.txt

@@ -1,3 +1,4 @@
+
 .. _c2c-logging:
 
 =======
@@ -68,6 +69,10 @@ For example:
 The currently active log file is ``mongosync.log``.  The other files are older
 logs that ``mongosync`` has rotated.
 
+Rotate Log File
+```````````````
+
+.. include:: /includes/fact-log-rotation-usr1-signal 
 
 Verbosity
 ---------

source/reference/mongosync.txt

@@ -116,6 +116,10 @@ Global Options
    To set the ``--logPath`` option from a configuration file,
    see the :setting:`logPath` setting.
 
+   .. note:: 
+
+      .. include:: /includes/fact-log-rotation-usr1-signal
+
 .. option:: --port
 
    .. include:: /includes/opts/port.rst