Parallel batch jobs on beowulf?
ron_chen_123 at yahoo.com
Thu Oct 4 13:05:29 PDT 2001
DQS is old, the Commercial version of DQS used to be
called Codine, and several months ago, Sun opensourced
it and renamed it as Grid Engine.
You may find the pvm integration package in the
> DQS is already available in Debian (non-free),
> and has some tie-ins to
> PVM. To submit a parallel job "qsub -l qty.eq.67"
> to get 67 nodes, and -par
> PVM to set up pvm across them. The pvm setup can
> conflict with other pvms
> for the same user on the cluster, so only run one
> parallel job/user at a
> time, and no interactive parallel jobs.
> MPI and other systems can be set up using the
> $HOSTS_FILE variable, which
> points to a file containing the list of hosts
> allocated to the job.
> The script you qsub runs on only the master node,
> and has to set up the rest
> of the allocated nodes itself.
> I find it useful to put two queues on each node,
> one low priority queue
> intended for bulk serial jobs that is subordinated
> by a higher priority
> queue where the parallel jobs can go.
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