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on this topic. See the LSF manpages for full information about the commands described in this
section.
The following LSF commands are described in this section:
bjobs
“Examining the Status of a Job”
bhist
“Viewing the Historical Information for a Job”
10.11.1 Getting Job Allocation Information
Before a job runs, LSF integrated with SLURM allocates SLURM compute nodes based on job
resource requirements.
After LSF integrated with SLURM allocates nodes for a job, it attaches allocation information to
the job.
The bjobs -l command provides job allocation information on running jobs. The bhist -l
command provides job allocation information for a finished job. For details about using these
commands, see the LSF manpages .
A job allocation information string resembles 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
cores. Under node-level allocation scheduling, this number may be bigger
than what the job requests.)
slurm_alloc
A comma separated list of allocated nodes.
LSF integrated with SLURM sets the SLURM_JOBID and SLURM_NPROCS environment variables,
when it starts a job.
Example 10-3 illustrates how to use the the bjobs -l command to obtain job allocation
information about a running job:
Example 10-3 Job Allocation Information for a Running Job
$ bjobs -l 24
Job <24>, User <lsfadmin>, Project <default>,
Status <RUN>, Queue <normal>,
Interactive pseudo-terminal shell mode,
Extsched <SLURM[nodes=4]>, Command </bin/bash>
date and time stamp: Submitted from host <n2>, CWD <$HOME>,
4 Processors Requested, Requested Resources <type=any>;
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 ut pg io ls it tmp swp mem
loadSched - - - - - - - - - - -
loadStop - - - - - - - - - - -
EXTERNAL MESSAGES:
MSG_ID FROM POST_TIME MESSAGE ATTACHMENT
0 - - - -
1 lsfadmin date and time stamp SLURM[nodes=4] N
In particular, note the node and job allocation information provided in the above output:
10.11 Getting Information About Jobs 97
- HP XC System Software 1
- XC User Guide 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- 6 Table of Contents 6
- Table of Contents 7 7
- List of Figures 8
- List of Tables 9
- List of Examples 10
- About This Document 11
- Related Information 13
- Linux Web Sites 15
- Manpages 16
- HP Encourages Your Comments 17
- 1.1 System Architecture 19
- 1.1.4 Node Specialization 20
- 1.1.5 Storage and I/O 21
- 1.1.6 File System 21
- File System Layout 22
- 1.3 User Environment 23
- 1.3.3 Commands 24
- 1.4.1 Parallel Applications 24
- 1.5 Run-Time Environment 25
- 1.5.5 HP-MPI 26
- 2 Using the System 29
- 2.2.1 Introduction 30
- 2.2.5 Launching Jobs 31
- 2.2.8 Resuming Suspended Jobs 31
- 32 Using the System 32
- 3.1 Overview of Modules 33
- 3.2 Supplied Modulefiles 34
- 3.6 Loading a Modulefile 36
- 3.7 Unloading a Modulefile 37
- 3.9 Modulefile Conflicts 37
- 3.10 Creating a Modulefile 38
- 4 Developing Applications 39
- 4.2 Compilers 40
- 4.4 Interrupting a Job 41
- 4.5 Setting Debugging Options 41
- 42 Developing Applications 42
- 4.7.1.1 Modulefiles 43
- 4.7.1.2 HP-MPI 43
- 4.7.1.3 OpenMP 43
- 4.7.1.4 Pthreads 43
- 4.7.1.5 Quadrics SHMEM 43
- 44 Developing Applications 44
- $ module load mpi 45
- 4.8 Developing Libraries 46
- 4.8 Developing Libraries 47 47
- 48 Developing Applications 48
- 5 Submitting Jobs 49
- 50 Submitting Jobs 50
- 5.3 Submitting a Parallel Job 51
- 52 Submitting Jobs 52
- 56 Submitting Jobs 56
- 58 Submitting Jobs 58
- 60 Submitting Jobs 60
- -R "type=SLINUX64" 61
- 6 Debugging Applications 63
- 6.2.1.1 SSH and TotalView 64
- 6.2.1.2 Setting Up TotalView 64
- 66 Debugging Applications 66
- 6.2.1.8 Exiting TotalView 67
- 7 Monitoring Node Activity 69
- 70 Monitoring Node Activity 70
- 72 Monitoring Node Activity 72
- 8 Tuning Applications 75
- 76 Tuning Applications 76
- 8.2.1 Installation Kit 77
- Running a Program 78
- 9 Using SLURM 81
- 9.3.1.1 The srun Roles 82
- 9.3.1.2 The srun Modes 82
- 9.7 Job Accounting 84
- 9.8 Fault Tolerance 84
- 9.9 Security 84
- 10 Using LSF 85
- $ squeue --jobs $SLURM_JOBID 86
- 10.4 Job Terminology 89
- 90 Using LSF 90
- 10.6 Submitting Jobs 91
- DescriptionExit Code 92
- Success0 92
- 92 Using LSF 92
- SLURM_JOBID=53 93
- SLURM_NPROCS=4 93
- $ sinfo -p lsf -lNe 96
- 96 Using LSF 96
- $ bjobs 24 98
- 98 Using LSF 98
- 102 Using LSF 102
- $ unset SLURM_JOBID 103
- $ unset SLURM_NPROCS 103
- $ srun --jobid=250 uptime 103
- 11 Advanced Topics 107
- 108 Advanced Topics 108
- 110 Advanced Topics 110
- 11.3.1 Example Procedure 1 111
- 11.3.2 Example Procedure 2 111
- 11.3.3 Example Procedure 3 112
- 11.5.1 Shared File View 113
- 11.5.2 Private File View 113
- % srun -A options 114
- % ./wrapper 114
- % bsub -I options... wrapper 114
- A Examples 115
- Submit the job: 116
- View the job: 116
- 118 Examples 118
- Exit from the shell: 119
- Show the environment: 119
- Display the script: 119
- Run the job: 120
- Show the job allocation: 120
- Show the SLURM job ID: 121
- Exit the pseudo-terminal: 121
- View the interactive jobs: 121
- View the finished jobs: 121
- View the node state: 122
- View the running job: 122
- View the finished job: 123
- Glossary 125
- 126 Glossary 126
- 128 Glossary 128
- 130 Glossary 130
- 132 Index 132
- 134 Index 134
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