[Mauiusers] Does maui schedule the jobs by queue?

Kenneth Yoshimoto kenneth at sdsc.edu
Thu Aug 23 10:39:18 MDT 2007


  If I remember correctly, there should be a GREEDY scheduling
mode that schedules optimally.  I always used one of
the other modes that scheduled higher priority jobs first.
It was a lot easier to monitor what the scheduler was doing.

Kenneth

On Wed, 22 Aug 2007, Khazret Sapenov wrote:

> Date: Wed, 22 Aug 2007 12:36:46 -0400
> From: Khazret Sapenov <sapenov at gmail.com>
> To: mauiusers at supercluster.org
> Subject: Re: [Mauiusers] Does maui schedule the jobs by queue?
> 
> Is there any algorithm implemented in Maui (like bin packing) used for
> scheduling jobs optimally ?
>
> regards,
> Khaz Sapenov,
> Enomaly,
> Toronto, Canada
>
> On 8/22/07, Kenneth Yoshimoto <kenneth at sdsc.edu> wrote:
>>
>>
>>   The idea behind this was that it would be more efficient to
>> consider all jobs as sitting in a single, prioritized queue
>> with all nodes accessible by that queue.  So, Maui can
>> schedule any job on the system on any node, constrained by
>> job requirements and node attributes.  This means that
>> resource fragmentation from dividing up the nodes into different
>> queues is avoided.
>>
>> Kenneth
>>
>> On Wed, 22 Aug 2007, Lennart Karlsson wrote:
>>
>>> Date: Wed, 22 Aug 2007 14:13:04 +0200
>>> From: Lennart Karlsson <Lennart.Karlsson at nsc.liu.se>
>>> To: bo lens <lensbo at gmail.com>
>>> Cc: mauiusers at supercluster.org
>>> Subject: Re: [Mauiusers] Does maui schedule the jobs by queue?
>>>
>>> I found an old (Aug 7th) question by Bo Lens, that I cannot
>>> see has been answered:
>>>> I am a little confused about the maui's scheduling strategy. If the
>> resource
>>>> management has a few queue, so how will maui schedule jobs? Run jobs
>> queue
>>>> by queue, and sort the job in a queue according to the jobs' prority?
>> Or
>>>> just sort all jobs according to their prority?
>>>
>>> Maui just sorts all jobs according to their priority.
>>>
>>> Cheers,
>>> -- Lennart Karlsson <Lennart.Karlsson at nsc.liu.se>
>>>   National Supercomputer Centre in Linkoping, Sweden
>>>   http://www.nsc.liu.se
>>>
>>>
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>>> mauiusers at supercluster.org
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