5 getting information about jobs, 1 getting job allocation information, 1 job allocation information for a running job – HP XC System 2.x Software User Manual

Page 101: Section 7.5)

The following example shows this resource requirement string in an LSF command:

$ bsub -R "type=SLINUX64"

-n4 -I srun hostname

7.5 Getting Information About Jobs

There are several ways you can get information about a specific job after it has been submitted to
LSF. This section briefly describes some of the commands that are available under LSF to gather
information about a job. This section is not intended as complete information about this topic. It
is intended only to give you an idea of the commands that are commonly used, and to describe
any differences there may be in the way these commands operate in the HP XC environment.
Refer to the LSF manpages for full information about the commands described in this section.

The following LSF commands are described in this section:

bjobs

Checks the status of a running job (Section 7.5.2)

bhist

Gets brief or full information about running or finished jobs
(Section 7.5.3)

7.5.1 Getting Job Allocation Information

Before a job runs, LSF allocates SLURM compute nodes based on job resource requirements.
After LSF allocates nodes for a job, it attaches allocation information to the job. You can view
job allocation information through the

bjobs -l

and

bhist -l

commands. Refer to the

LSF manpages for details about using these commands.

A job allocation information string looks like the following:

slurm_id=slurm_jobid;ncpus=slurm_nprocs;slurm_alloc=node_list

This allocation string has the following values:

slurm_id

SLURM_JOBID

environment variable. This is SLURM allocation

ID (Associates LSF job with SLURM allocated resources.)

ncpus

SLURM_NPROCS

environment variable. This the actual number

of allocated CPUs. Under node-level allocation scheduling, this
number may be bigger than what the job requests.)

slurm_alloc

Allocated node list (comma separated).

When LSF starts a job, LSF sets the

SLURM_JOBID

and

SLURM_NPROCS

environment

variables.

7.5.1.1 Job Allocation Information for a Running Job

The following is an example of the output obtained using the

bjobs -l

command to obtain

job allocation information about a running job:

$ bjobs -l 24

Job <24>, User , Project ,

Status , Queue ,

Interactive pseudo-terminal shell mode,

Extsched , Command

date and time stamp: Submitted from host , CWD <$HOME>,

4 Processors Requested, Requested Resources ;

date and time stamp: Started on 4 Hosts/Processors <4*lsfhost.localdomain>;

date and time stamp: slurm_id=22;ncpus=8;slurm_alloc=n[5-8];

SCHEDULING PARAMETERS:

r15s

r1m

r15m

tmp

swp

mem

loadSched

loadStop

Using LSF

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