Cache results for major performance improvement.
bug 636

If a job request explicitly requests a GRES count of zero and that
is not the last GRES in the slurm internal data structures, the job
request will be rejected.
bug 633

Perhaps should also look into doing this for nodeinfo and libstate

this would cause pmd's to hang.

code.

interval.

and SLURM_STEP_ID env vars are set.

merged together.

4TB of memory on them.

sacct.

Add SchedulerParameters options of preempt_reorder_count and
preempt_strict_order.

This is for consistency. All of the other backfill parameters
start with "bf_".

Add support for SchedulerParameters value of bf_max_job_start that limits
the total number of jobs that can be started in a single iteration of the
backfill scheduler.
bug 607

Previously slurmctld would restart without information about
allocated ports. This add save/restore logic which will work
for graceful shutdowns. More work is needed in the case of
slurmctld crashes.

bug 607

bug 607

Make job array expressions more flexible to accept multiple step counts in
the expression (e.g. "--array=1-10:2,50-60:5,123").

placed.

Underlying code incomplete. Only added the flag.

accounting if running for the first time (should speed up startup
dramatically on systems with lots of nodes or lots of jobs).