Administering Platform LSF - SAS

Using Job Groups
Job group
hierarchy
Job group path
Root job group
Job group owner
Job control under
job groups
Chapter 6
Managing Jobs
A collection of jobs can be organized into job groups for easy management. A
job group is a container for jobs in much the same way that a directory in a
file system is a container for files. For example, a payroll application may have
one group of jobs that calculates weekly payments, another job group for
calculating monthly salaries, and a third job group that handles the salaries of
part-time or contract employees. Users can submit, view, and control jobs
according to their groups rather than looking at individual jobs.
Jobs in job groups are organized into a hierarchical tree similar to the directory
structure of a file system. Like a file system, the tree contains groups (which
are like directories) and jobs (which are like files). Each group can contain
other groups or individual jobs. Job groups are created independently of jobs,
and can have dependency conditions which control when jobs within the
group are considered for scheduling.
The job group path is the name and location of a job group within the job
group hierarchy. Multiple levels of job groups can be defined to form a
hierarchical tree. A job group can contain jobs and sub-groups.
LSF maintains a single tree under which all jobs in the system are organized.
The top-most level of the tree is represented by a top-level “root” job group,
named “/”. The root group is owned by the primary LSF Administrator and
cannot be removed. Users create new groups under the root group. By default,
if you do not specify a job group path name when submitting a job, the job is
created under the top-level “root” job group, named “/”.
Each group is owned by the user who created it. The login name of the user
who creates the job group is the job group owner. Users can add job groups
into a groups that are owned by other users, and they can submit jobs to
groups owned by other users.
Job owners can control their own jobs attached to job groups as usual. Job
group owners can also control any job under the groups they own and below.
For example:
◆ Job group /A is created by user1
◆ Job group /A/B is created by user2
◆ Job group /A/B/C is created by user3
All users can submit jobs to any job group, and control the jobs they own in
all job groups. For jobs submitted by other users:
◆ user1 can control jobs submitted by other users in all 3 job groups: /A,
/A/B, and /A/B/C
◆ user2 can control jobs submitted by other users only in 2 job groups: /A/B
and /A/B/C
◆ user3 can control jobs submitted by other users only in job group /A/B/C
The LSF administrator can control jobs in any job group.
Administering Platform LSF 123