[GE users] Rizing more than 1024 FD on SGE node (was Re: [GE users] ulimit -n and SGE)

Xavier Beaudouin kiwi at oav.net
Fri Sep 21 13:00:51 BST 2007


On Fri, 21 Sep 2007, Andreas.Haas at Sun.COM wrote:

> On Thu, 20 Sep 2007, Rayson Ho wrote:
>
>> Actually, I believe not that many jobs need over 1024 file descriptors.
>> 
>> Can you login as root, and raise the fd limit, and start execd by hand
>> from that shell?? Then let SGE schedule a job that needs to have more
>> than 1024 fds to that host, and see how things go...
>
> Yep, that must work. Actually I filed just
>
>   http://gridengine.sunsource.net/issues/show_bug.cgi?id=2370
>
> as counterpart for Bugster enhancement request #6533487. It suggests the 
> fd-limit adjustment be done in sgeexecd script.

This work like this...

I was a bit puzzled about that because SGE superseed 
/etc/security/limits.conf for core files, but not about FD.

Thanks for your hints :)

/Xavier

--
Xavier Beaudouin - http://oav.net/

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