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Administering Platform LSF - SAS

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Using Job Groups<br />

Creating a job group<br />

Use the bgadd command to create a new job group. You must provide full<br />

group path name for the new job group. The last component of the path is the<br />

name of the new group to be created:<br />

◆ % bgadd /risk_group<br />

creates a job group named risk_group under the root group /.<br />

◆ % bgadd /risk_group/portfolio1<br />

creates a job group named portfolio1 under job group /risk_group.<br />

◆ % bgadd /risk_group/portfolio1/current<br />

creates a job group named current under job group<br />

/risk_group/portfolio1.<br />

If the group hierarchy /risk_group/portfolio1/current does not exist,<br />

<strong>LSF</strong> checks its parent recursively, and if no groups in the hierarchy exist, all<br />

three job groups are created with the specified hierarchy.<br />

Submitting jobs under a job group<br />

Use the -g option of bsub to submit a job into a job group. The job group does<br />

not have to exist before submitting the job. For example:<br />

% bsub -g /risk_group/portfolio1/current myjob<br />

Job is submitted to default queue.<br />

Submits myjob to the job group /risk_group/portfolio1/current.<br />

If group /risk_group/portfolio1/current exists, job 105 is attached to<br />

the job group.<br />

If group /risk_group/portfolio1/current does not exist, <strong>LSF</strong> checks its<br />

parent recursively, and if no groups in the hierarchy exist, all three job groups<br />

are created with the specified hierarchy and the job is attached to group.<br />

-g and -sla options You cannot use the -g option with -sla. A job can either be attached to a job<br />

group or a service class, but not both.<br />

Viewing jobs in job groups<br />

bjgroup command<br />

bjobs command<br />

Use the bjgroup command to see information about jobs in specific job<br />

groups.<br />

% bjgroup<br />

GROUP_NAME NJOBS PEND RUN SSUSP USUSP FINISH<br />

/fund1_grp 5 4 0 1 0 0<br />

/fund2_grp 11 2 5 0 0 4<br />

/bond_grp 2 2 0 0 0 0<br />

/risk_grp 2 1 1 0 0 0<br />

/admi_grp 4 4 0 0 0 0<br />

Use the -g option of bjobs and specify a job group path to view jobs attached<br />

to the specified group.<br />

124<br />

<strong>Administering</strong> <strong>Platform</strong> <strong>LSF</strong>

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