On Thu, 26 Apr 2012 at 1:24pm, Stuart Barkley wrote
On Thu, 26 Apr 2012 at 12:57 -0000, Reuti wrote:
What was your "schedule_interval" set to?
Was "schedd_job_info true" set by accident?
I've played with various values. My current setting are:
% qconf -ssconf
schedule_interval 0:01:00
schedd_job_info true
flush_submit_sec 5
flush_finish_sec 5
report_pjob_tickets TRUE
Previously the scheduler seemed to be taking ~5 minutes to do one pass
and appeared to be doing scheduling passes back-to-back. I think I
tried setting schedule_interval to 10 minutes once and then there was
some idle time between scheduler runs.
Well, this is disappointing. I noticed something similar with our rather
ancient 6.1u3 install -- scheduling runs were taking a long, long time
whenever anybody submitted jobs to our PEs, and setting "max_reservation
0" made them run much more quickly. We do have 4 RQSs, but I haven't
tried disabling them as they are rather essential to our setup. In all
cases, schedd_job_info was set to false.
I'm in the midst of installing hardware for a new server on which I'll be
running a much newer SGE version. I was rather hoping that this would
allow me to get reservations, RQSs, and "schedd_job_info true" (since it
is rather handy) all working together. Apparently not...
--
Joshua Baker-LePain
QB3 Shared Cluster Sysadmin
UCSF
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