[GE users] nice values and sge 6.0

Charu Chaubal Charu.Chaubal at Sun.COM
Mon Jul 19 22:35:38 BST 2004


Hi Don,

On Jul 19, 2004, at 2:28 PM, Don Shesnicky wrote:

>
> I had spotted this email from Andy in the archives but it seemed to
> imply that
> REPRIORITIZATION was different than nice:
>
>  Nice and priority are two different things. The priority is derived
> from the
>  CPU time used (probably in the last *kernel* scheduling interval).
>  With SGE/SGEEE 5.3beta2 and SGE/SGEEE 5.3 you can configure the full
> nice
>  range form -20 (high) to 20 (low) in the queue configuration (through
> the
>  "priority" parameter.
>  If you are using SGEEE by default the scheduler dynamically
> reprioritizes
>  the running jobs (in an OS dependent range).
>  If you don't want SGEEE to reprioritize running jobs set in the global
>  cluster config    qmaster_params NO_REPRIORITIZATION=1
>
> I'll research the qconf command for this setting as that is what
> sge_conf
> points to but off hand do you know how to set it on a particular group
> of
> hosts within a queue. As I mentioned on a different thread I have two
> groups
> of hosts in my d.reg queue - @digital and @analog and only want this
> setting
> on the analog hosts.
>
> I beginning to think that the overhead of moving to the command line
> interface
> is worth it as the qui doesn't seem to cut it.
>

Maybe you will find this doc useful in learning how to use the command 
line:
http://gridengine.sunsource.net/project/gridengine/howto/scripting.html

Regards,
	Charu

> Don
>
> -----Original Message-----
> From: Chris Dagdigian [mailto:dag at sonsorol.org]
> Sent: Monday, July 19, 2004 5:10 PM
> To: users at gridengine.sunsource.net
> Subject: Re: [GE users] nice values and sge 6.0
>
>
> I could be totally wrong, but I think this is what is going on:
>
> If you really want nice values you need to turn off "dynamic
> reprioritization" within N1GE/SGE 6.
>
>  From what I recall there are 2 things you need to change
>
> (1) execd_param NO_REPRIORITIZATION=true (sge_conf manpage) at queue
> level
>
> (2) set REPRIORITIZE_INTERVAL to 00:00:00 (sched_conf manpage) within
> the scheduler configuration
>
>
> After doing that you should see your queue level nice values start to 
> be
>
> expressed I belive.
>
> Regards,
> Chris
>
>
>
>
> Don Shesnicky wrote:
>
>>
>> I have three queues setup in sge 6.0, a high, medium and low where I
> set
>> different nice
>> values via the qmon queue window. I've tried a number of different
>> settings both plus and
>> minus and never see any unix nice value on the processes via both top
> or
>> ps. Should I?
>>
>> Don
>>
>
> -- 
> Chris Dagdigian, <dag at sonsorol.org>
> BioTeam  - Independent life science IT & informatics consulting
> Office: 617-665-6088, Mobile: 617-877-5498, Fax: 425-699-0193
> PGP KeyID: 83D4310E iChat/AIM: bioteamdag  Web: http://bioteam.net
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
> For additional commands, e-mail: users-help at gridengine.sunsource.net
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
> For additional commands, e-mail: users-help at gridengine.sunsource.net
>
>
########################################################
# Charu V. Chaubal				# Phone: (650) 786-7672 (x87672)
# Grid Computing Technologist	# Fax:   (650) 786-4591
# Sun Microsystems, Inc.			# Email: charu.chaubal at sun.com
########################################################


---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe at gridengine.sunsource.net
For additional commands, e-mail: users-help at gridengine.sunsource.net




More information about the gridengine-users mailing list