Other changes to IBM Spectrum LSF

The maximum integer that you can specify for certain resource limits is increased from 32 bit (2³¹) to 64 bit (2⁶³). This affects the following resource limits that have a valid value range of integers up to INFINIT_INT (which is defined in lsf.h):

• memory limit (bsub -M command option or the MEMLIMIT parameter in the lsb.queues or lsb.applications files)
• swap limit (bsub -v command option or the SWAPLIMIT parameter in the lsb.queues or lsb.applications files)
• core file size limit (bsub -C command option or the CORELIMIT parameter in the lsb.queues or lsb.applications files)
• stack limit (bsub -S command option or the STACKLIMIT parameter in the lsb.queues or lsb.applications files)
• data segment size limit (bsub -D command option for malloc(), or the DATALIMIT parameter in the lsb.queues or lsb.applications files)
• file size limit (bsub -F command option for malloc(), or the FILELIMIT parameter in the lsb.queues or lsb.applications files)

The bjobs -plan command option now shows the planned start and end times for the job in the PLAN_START_TIME and PLAN_FINISH_TIME columns.

LSF now improves the performance of the bread and bstatus commands by handing the bread and bstatus requests in the query mbatchd daemon, and by supporting multi-threaded querying when LSB_QUERY_ENH=Y is specified in the lsf.conf file. If LSB_QUERY_ENH=N is set or the bread -a command option is run (requiring data transfer), the main mbatchd daemon will fork a child to handle the query request.