Set LSB_MOD_ALL_JOBS is specified in lsf.conf. You must be the job owner or an LSF administrator to modify a running job.
Additionally, you must set the following parameters for each type of modification type:
To modify the CPU limit of running jobs, LSB_JOB_CPULIMIT=Y must be defined in lsf.conf.
To modify the memory limit of running jobs, LSB_JOB_MEMLIMIT=Y must be defined in lsf.conf.
To modify the name of job error file for a running job, you must use bsub ‑e or bmod ‑e to specify an error file before the job starts running.