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queuedefs(4)			 File Formats			  queuedefs(4)

NAME
       queuedefs - queue description file for at, batch, and cron

SYNOPSIS
       /etc/cron.d/queuedefs

DESCRIPTION
       The  queuedefs file describes the characteristics of the	queues managed
       by cron(1M). Each non-comment line in this file	describes  one	queue.
       The format of the lines are as follows:

	      q.[njobj][nicen][nwaitw]

       The fields in this line are:

       q	The name of the	queue. a is the	default	queue for jobs started
		by at(1); b is the default queue for  jobs  started  by	 batch
		(see  at(1));  c  is  the  default  queue  for jobs run	from a
		crontab(1) file.

       njob	The maximum number of jobs that	can be run  simultaneously  in
		that  queue; if	more than njob jobs are	ready to run, only the
		first njob jobs	will be	run, and the others  will  be  run  as
		jobs  that are currently running terminate.  The default value
		is  100.

       nice	The nice(1) value to give to all jobs in that queue  that  are
		not run	with a user ID of super-user.  The default value is 2.

       nwait	The  number  of	seconds	to wait	before rescheduling a job that
		was deferred because more than njob jobs were running in  that
		job's  queue, or because the system-wide limit of jobs execut-
		ing has	been reached.  The default value is 60.

       Lines beginning with # are comments, and	are ignored.

EXAMPLES
       Example 1: A sample file.

       #
       #
       a.4j1n
       b.2j2n90w

       This file specifies that	the a queue, for at jobs, can  have  up	 to  4
       jobs  running  simultaneously; those jobs will be run with a nice value
       of 1.  As no nwait value	was given, if a	job cannot be run because  too
       many  other  jobs  are  running cron will wait 60 seconds before	trying
       again to	run it.

       The b queue, for	batch(1) jobs, can have	up to 2	jobs running  simulta-
       neously;	 those	jobs  will be run with a nice(1) value of 2.  If a job
       cannot be run because too many other jobs are  running,	cron(1M)  will
       wait  90	 seconds  before  trying again to run it. All other queues can
       have up to 100 jobs running simultaneously; they	will  be  run  with  a
       nice value of 2,	and if a job cannot be run because too many other jobs
       are running cron	will wait 60 seconds before trying again to run	it.

FILES
       /etc/cron.d/queuedefs	       queue description file for  at,	batch,
				       and  cron.

SEE ALSO
       at(1), crontab(1), nice(1), cron(1M)

SunOS 5.10			  1 Mar	1994			  queuedefs(4)

NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | FILES | SEE ALSO

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