You are here: 9 General Job Administration > Job Defaults and Per Job Limits

9.6 Job Defaults and Per Job Limits

9.6.1 Job Defaults

Job defaults can be specified on a per queue basis. These defaults are specified using the CLASSCFG parameter. The following table shows the applicable attributes:

Attribute	Format	Example
DEFAULT.FEATURES	comma-delimited list of node features	CLASSCFG[batch] DEFAULT.FEATURES=fast,io Jobs submitted to class batch will request nodes features fast and io.
DEFAULT.WCLIMIT	[[[DD:]HH:]MM:]SS	CLASSCFG[batch] DEFAULT.WCLIMIT=1:00:00 Jobs submitted to class batch will request one hour of walltime by default.

9.6.2 Per Job Maximum Limits

Job maximum limits can be specified on a per queue basis. These defaults are specified using the CLASSCFG parameter. The following table shows the applicable attributes:

Attribute	Format	Example
MAX.WCLIMIT	[[[DD:]HH:]MM:]SS	CLASSCFG[batch] MAX.WCLIMIT=1:00:00 Jobs submitted to class batch can request no more than one hour of walltime.

9.6.3 Per Job Minimum Limits

Furthermore, minimum job defaults can be specified with the CLASSCFG parameter. The following table shows the applicable attributes:

Attribute	Format	Example
MIN.PROC	<integer>	CLASSCFG[batch] MIN.PROC=10 Jobs submitted to class batch can request no less than ten processors.