Good day Rick,
3) urgency
Add a requestable boolean ressource (e.g. prio) with high urgency
value, put it into your queue as "complex_value prio=True" and
your users can submit jobs with "qsub -l prio ....". Also very
useful in combination with different queues, e.g. "high" and "low".
Regards, Erik Soyez.
On Thu, 6 Oct 2011, Stephen Willey wrote:
As you say, you modify priority in GridEngine rather than order as
such. We use (or are looking at using) a couple of methods to manage
the kind of ordering you're talking about:
1) POSIX Priority - We have 5 levels: Highest, High, Normal, Low,
Whenever which just map to 600,300,0,-300,-600 and then weight
Priority much higher than tickets. If we have a super important job
and they're screaming it must run, I just bump the priority number to
1000.
2) Share tree/Functional. We're looking to deploy a setup that looks like:
Project A - 80
Project B - 20
Company Priority - 1000000
When it's decided that something's a company priority, it's obviously
going to get pretty much all the tickest.
I guess you could just use POSIX priorities and turn weight all the
urgency/ticket stuff to 0. Anything not set with a higher/lower
priority would just run FIFO (I haven't tried this and I might be
wrong)
Stephen
On Wed, Oct 5, 2011 at 7:42 PM, Rick Reynolds II
<[email protected]> wrote:
We're looking at using SGE to replace a home-grown queuing system that is
showing its age in terms of legacy maintenance, etc.
The previous system was strictly FIFO for each queue. You add a job to a
specific queue, and it waits its turn. As I'm reading more about SGE and the
various policies that can be used to control queuing, I'm getting the
impression that real, hard control of the order of jobs isn't something that
SGE provides when you're using the different policies to help it determine job
priorities. Is that right?
We're interested in being able to classify certain jobs as higher priority. And I'd
guess we'd specify policies to guide the ticket allocation for those kinds of jobs. But
if I'm using those policies will I still be able to specify something like "give
this specific job the next position in the queue"?
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