docs changes

doc/source/config.rst

@@ -47,7 +47,9 @@ Some configuration is possible:
         |"default" (or null)| Select jobs with jobstatus != 'C'              |
         +-------------------+------------------------------------------------+
         |"check_hostname"   | Select jobs with jobstatus != 'C' and matching |
-        |                   | hostname                                       |
+        |                   | hostname. This is useful on compute clusters   |
+        |                   | where multiple machines with different queues  |
+        |                   | share the same ``PRISMS_JOBS_DIR``.            |
         +-------------------+------------------------------------------------+
 
     - ``"taskmaster_job_kwargs"``: (JSON object, optional)

doc/source/overview.rst

@@ -61,7 +61,9 @@ Example screen shot:
 
 Additionally, when scheduling periodic jobs is not allowed other ways, the 
 ``taskmaster`` script can fully automate this process. ``taskmaster`` executes 
-``pstat --continue`` and then resubmits itself to execute again periodically.
+``pstat --continue`` and then resubmits itself to execute again periodically. As 
+not all compute resources allow this behavior, remember check the policy prior 
+to using ``taskmaster`` on a new compute resource.
 
 A script marked 'auto' should check itself for completion and when reached execute 
 ``pstat --complete $JOBID --force`` in bash, or ``prisms_jobs.complete_job()`` 

doc/source/scripts/taskmaster.rst

@@ -9,7 +9,9 @@ Summary:
 ``taskmaster`` submits a job that will repeatedly resubmit any ``Auto`` jobs in 
 the job database that have completed but whose taskstatus is still ``'Incomplete'`` 
 (perhaps because the jobs has hit the walltime before completing or failed to 
-converge) and then resubmit itself with a delay before execution.
+converge) and then resubmit itself with a delay before execution. As not all
+compute resources allow this behavior, remember check the policy prior to using
+``taskmaster`` on a new compute resource.
 
 The job submission options can be customized by editing the ``prisms-jobs``
 `configuration file`_.