You could try dumping the call stacks a few times during a spike and a few
times during normal operation to see what the task is doing with all that
CPU.
http://www-03.ibm.com/servers/eserver/iseries/domino/devtools/dmp/
Thanks,
Travis Retzlaff
Application Integration Consultant
--------------------------------------------------------------------
Computech Resources, Inc.
1375 W. Main Avenue
De Pere, WI 54115
Web: http://www.compures.com
--------------------------------------------------------------------
Phone: 920-336-1387 Ext. 227
Fax: 920-336-7728
e-Mail: tretzlaff@xxxxxxxxxxxx
domino400-bounces+tretzlaff=compures.com@xxxxxxxxxxxx wrote on 08/19/2005
09:50:05 AM:
> A message loop perhaps? That should be evident by watching the console I
> would think.
>
> As per Chris's Netstat suggestion, use F15 to subset (filter) for port
25,
> once for the local and once again for the remote. Besides looking for
lots
> or rapid connections, also use F11 to check the byte counts.
>
> ====================================
> Tom Kreimer
> Information Alternatives
>
>
>
>
> Domino 6.5.4 server on iSeries V5R2
>
> The last couple of days we are seeing SMTP process spikes that are
pushing
> the CPU to 98%+. SMTP task was at 86% for quite a while yesterday. So
> far, the only thing I've had any luck with is ending the SMTP task and
> restarting it. We are not seeing any indications of what might be
causing
> this, but I'm not sure I know what to look for.
>
> Since I've been watching, I've seen the process spike briefly several
> times, but generally not long enough to cause the entire server to grind
> to
> a halt like it did yesterday. My boss is concerned that this is the
> result
> of some sort of attack on our system.
>
> Any suggestions would be much appreciated.
>
> Patrick
>
>
>
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