bsub -sp prioritybmod [-sp priority | -spn] job_ID
Where:
-sp priority
Specifies the job priority. Valid values for priority are any integers between 1 and MAX_USER_PRIORITY (displayed by bparams -l). Incorrect job priorities are rejected.
LSF and queue administrators can specify priorities beyond MAX_USER_PRIORITY for jobs they own.
-spn
Sets the job priority to the default priority of MAX_USER_PRIORITY/2 (displayed by bparams -l).