bsub

Submit batch jobs to IBM Spectrum LSF

TLDR

Submit a script file as a job

$ bsub [path/to/script.sh]

Submit a job to a specific queue

$ bsub -q [queue_name] make all

Submit a job with name and output redirection

$ bsub -J [job_name] --output [path/to/output.log] --error [path/to/error.log] [path/to/script.sh]

Request CPU cores and memory

$ bsub -n 8 -M 16G cargo build --release

Run an interactive shell

$ bsub -I bash

Submit with a runtime limit

$ bsub -W 45 [path/to/script.sh]

SYNOPSIS

bsub [options] command [arguments]

bsub submits batch jobs to IBM Spectrum LSF (Load Sharing Facility), a workload management platform for distributed HPC environments. It schedules jobs to run on cluster nodes based on resource requirements and availability.Jobs can be commands, scripts, or interactive sessions. The scheduler matches job requirements with available resources.

PARAMETERS

-q queue

Submit to a specific queue

-J name

Assign a name to the job

-n cores

Number of CPU cores required

-M memory

Memory limit (e.g., 16G, 4096M)

-W minutes

Runtime limit in minutes

-I

Run interactively

-o, --output file

Standard output file

-e, --error file

Standard error file

-R resource

Resource requirements string

CAVEATS

Available queues and resource limits depend on cluster configuration. Jobs may wait in queue until resources become available. Interactive jobs (-I) hold the terminal until completion.