10.0 General Job Administration > Job Defaults and Per Job Limits

Conventions

10.6 Job Defaults and Per Job Limits

10.6-A 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.

10.6-B 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.

10.6-C 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.

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