[GE users] SGE memory management

Mag Gam magawake at gmail.com
Wed Sep 24 01:39:19 BST 2008


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Thanks for the response Ron.

Yah, that question says how to do it, but I wanted to learn the
internals on exactly how it does it :-)

So it basically sets the ulimit of the process and user to control the
memory, eh?

Sorry for the redundant question!


On Tue, Sep 23, 2008 at 8:34 PM, Ron Chen <ron_chen_123 at yahoo.com> wrote:
> Wasn't it asked and answered before?
>
> http://gridengine.sunsource.net/servlets/ReadMsg?list=users&msgNo=25942
>
> And for the 2nd question: I believe SGE sets the OS's process resource limit when you submit a job with limit. You can find out the answer by putting "limit" or "ulimit" in the job.
>
>  -Ron
>
>
> --- On Wed, 9/24/08, Mag Gam <magawake at gmail.com> wrote:
>> From: Mag Gam <magawake at gmail.com>
>> Subject: [GE users] SGE memory management
>> To: users at gridengine.sunsource.net
>> Date: Wednesday, September 24, 2008, 8:26 AM
>> I am curious how SGE allocates memory to a process.
>>
>> Lets say you submit a job and you specify to only use 16G
>> of memory.
>> All the exec hosts have 128GB of memory. Does SGE cap the
>> process to
>> 16g? I though that was a function of the OS to control how
>> memory is
>> managed and not SGE. Sorry if this is a newbie question
>>
>> TIA
>>
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