[torqueusers] ulimit -l

Brock Palen brockp at umich.edu
Tue Mar 27 17:16:12 MDT 2007

Most  our MPI libs use the tm job launcher.  Does sessions spawned by  
tm use the login service?

Brock Palen
Center for Advanced Computing
brockp at umich.edu

On Mar 27, 2007, at 4:54 PM, Brian D. Haymore wrote:

> You will need to do a couple things still.
> First is to go to your /etc/pam.d directory and edit one or more of  
> the following files (this is based on RedHat EL4 btw so a different  
> dist may be different):
> rsh (if your using rsh for your remote job dispatch mechanism)
> sshd (if your using ssh for your remote job dispatch mechanism)
> login
> and add in this line into each of those files:
> session    required     pam_limits.so
> Some of those files on my RedHat system said certain rules already  
> in the file had to be first or last so take note of that if they  
> are there for you as well.
> Then the next thing is you have to restart the torque daemons on  
> each system.  The reason for this is if they were started before  
> you made these changes they hold the old limits and all processes  
> they spawn will inherit those limits.  So restarting will get  
> Torque going with the "unlimited" mode so child processes inherit  
> that.
> Brock Palen wrote:
>> Hello,  We are making our first trip into the world of OpenIB and  
>> in this environment they require us to up the lockable memory.   
>> While we have upped the amount in  /etc/security/limits.conf and  
>> shows up if i ssh to a node.  But in a pbs job it falls back to  
>> the default 32kb.  Is there a method to getting around this?
>> Brock Palen
>> Center for Advanced Computing
>> brockp at umich.edu
>> (734)936-1985
>> _______________________________________________
>> torqueusers mailing list
>> torqueusers at supercluster.org
>> http://www.supercluster.org/mailman/listinfo/torqueusers
> -- 
> Brian D. Haymore
> University of Utah
> Center for High Performance Computing
> 155 South 1452 East RM 405
> Salt Lake City, Ut 84112-0190
> Phone: (801) 558-1150, Fax: (801) 585-5366
> http://www.map.utah.edu/umaplink/0019.html

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