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|News||Enterprise Job schedulers||Recommended Links||qb||ql||qh||jobpar|
|Parallel Environment||Client Commands||Monitoring Queues|
|Installation of SCE on a small set of multicore servers||Usage of NFS||Installation of the Master Host||Installation of the Execution Hosts||Creating and modifying SGE Queues||Submitting Jobs To Queue Instance||Monitoring and Controlling Jobs|
|qconf||qstat||qmod||qalter -- Change Job Priority||qsub -- Submitting Jobs To Queue Instance||qacct command||MPI|
|Troubleshooting||Gridengine diag tool||Slot limits and restricting number of slots per server||Resource Quotas||Perl Admin Tools and Scripts||Humor||Etc|
qb command "block view" of qhost/qstat data For more info, see SGE Job Monitoring. qb source
ql command cluster load, with histogram. For more info, see SGE Job Monitoring. ql source
qh command qhost data formatted into blocks. For more info, see SGE Job Monitoring. qh source
jobpar command- parallel-job analysis tool. For more info, see Parallel Performance Analysis. jobpar source
This sensor script adds several new items: mhz (from /proc/cpuinfo); bytes_in/out, packets_in/out, packeterrs_in/out (from /proc/net/dev); disk_rd/wr, disk_sec_rd/wr, swap_rd/wr, swap_sec_rd/wr (from /proc/swap); scr_free (using df on /scratch); jobs (count of sge_shepard instances); ping (time to ping a known machine); and watts and kwh (from Dell's ipmitool).
Similar to the mpirun script found in most MPI packages, this starts 1 server and N-1 clients, interacting with SGE to make sure your clients are running through qrsh (use -S to kick-in the SGE features, otherwise ssh is used).
This is somewhat specific to our configuration of SGE – everyone has low-priority access, some users have high-priority access on machines they own. You can have high-priority access by way of your Unix (user) group or an SGE user group or the machine may allow multiple SGE user groups.
These tools were hacked together to allow an old version of Mathematica to play nice with an old version of SGE – if you are using recent versions of either, it should "just work". Using the /usr/share/sge/mpi/rsh.sh script as a guide, we were able to get Mathematica to properly use qrsh instead of ssh – though some user-code modification was needed:
-mathlink -linkmode Connect `4` -linkname '`2`' -subkernel -noinit &"
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Last modified: March 12, 2019