[GE users] SGE on Debian-64 interactive qrsh without limits

Jan Behrend jbehrend at mpifr-bonn.mpg.de
Sun Jan 15 12:55:34 GMT 2006


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Reuti wrote:
> Hi all,
> 
> with our new Opteron cluster we try to use Debian. Before we used  SuSE
> on the 32 bit machines. One issue I have are the missing hard-  and
> soft-limits for interactive jobs. With batch jobs the limits I  can
> check successfully with ulimit in the script. So I wonder,  whether this
> is a Debian or SGE (configuration-)problem, and would  like to get from
> SuSE-64 and Debian-32 users the statement, which  behavior they see, as
> I have only SuSE-32 and Debian-64 accessible.  (SuSE 9.3, SGE 6.0u7,
> Debian 3.1)
> 
> ** On  SuSE 32-bit.
> 
> $ qrsh -l h_cpu=55
> Last login: Thu Jan 12 13:21:36 from login
> Have a lot of fun...
> reuti at node02:~> ulimit -aH
> ...
> cpu time             (seconds, -t) 55
> ...
> 
> 26874 ?        S      0:00  \_ sge_shepherd-7339 -bg
> 26875 ?        Ss     0:00      \_ /usr/sbin/in.rlogind
> 26876 ?        Ss     0:00          \_ login -- reuti
> 26877 pts/0    Ss     0:00              \_ -bash
> 27010 pts/0    R+     0:00                  \_ ps -e f
> 
> 
> ** on Debian 64-bit
> 
> $ qrsh -l h_cpu=55
> Last login: Fri Jan 13 15:56:08 2006 from node0.cluster on pts/0
> Linux node013 2.6.15 #1 SMP Thu Jan 5 14:04:21 CET 2006 x86_64 GNU/Linux
> reuti at node013:~$ ulimit -aH
> ...
> cpu time             (seconds, -t) unlimited
> ...
> 
> 2936 ?        S      0:00  \_ sge_shepherd-231 -bg
> 2937 ?        Ss     0:00      \_ /usr/sbin/in.rlogind
> 2938 pts/0    Ss     0:00          \_ -bash
> 3001 pts/0    R+     0:00              \_ ps -e f
> 
> Note the missing "login -- reuti" on Debian.
> 
> (The command line "qrsh -l h_cpu=60 ulimit -aH" is working correctly.)
> 
> Thx - Reuti
> 
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> 
Hi Reuti,

this is what I get on Debian 32-bit:

$ qrsh -verbose -l h_cpu=55 -l arch=lx24-x86
Last login: Sun Jan 15 13:36:26 2006 from
beowulf-vpn.beowulf.iri.mpifr-bonn.mpg.de on pts/0
Linux iripc80 2.6.8-2-686-smp #1 SMP Tue Aug 16 12:08:30 UTC 2005 i686
GNU/Linux

$ ulimit -aH
...
cpu time             (seconds, -t) unlimited
...

$ ps -e f
12189 ?        S      0:00  \_ sge_shepherd-1154 -bg
12190 ?        Ss     0:00      \_ /usr/sbin/in.rlogind
12191 pts/0    Ss     0:00          \_ -bash
12253 pts/0    R+     0:00              \_ ps -e f

By the way, is this relatet to the sge starter_method (Debian?) problem:
http://gridengine.sunsource.net/servlets/ReadMsg?listName=users&msgNo=13733
or
http://gridengine.sunsource.net/servlets/ReadMsg?listName=users&msgNo=8503

Cheers Jan

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