On Thu, 12 Feb 2004, Ron Peterson wrote: > >On Wed, 11 Feb 2004, David F. Skoll wrote: > >> On Wed, 11 Feb 2004, Jonas Eckerman wrote: >> >> > With most soplutions using an embedded perl interpreter, the perl >> > interpreter is never unlodaded. This means that if the perl >> > interpreter itself has memory leaks, those can accumulate over time. >> >> Correct. But read the multiplexor source code to see how we defend against >> this. > >Well, it happened again. I was running embedded perl, 15 min slaves, 50 >max slaves. At the time this happened, the max slaves limit got hit. > >There were 200+ sendmail processes running at this time. No single >process was consuming any great amount of memory. Swap utilization was >creeping up, but not high. The load average shot over 100, and the CPU >free dropped from it's usual 80-90 to around 10. > >Other network applications started throwing errors at this time >also: apache and imapproxyd are the ones I noticed. I killed all >sendmail, mimedefang, apache, and imapproxyd processes, but nothing >brought the machine back. I had to run over and use console because the >ssh connections I had were almost unuseable. > >I'm somewhat suspicious the broadcom network interfaces / tg3 driver may >be involved. I've started logging /proc/net/dev once a minute to see if >the interfaces start throwing errors. I also started logging vmstat >output every fifteen seconds. Anything else anyone would recommend >logging? > >I'm now running without embedded perl, min slaves set to 25, and max >set to 100. I'd like to be more scientific about exploring the boundary >conditions, but I'm more interested in getting things stable... >
A couple of things.. do you have NFS mounts (I cant remember), and are processes in a D state when you see them... -- Stephen John Smoogen [EMAIL PROTECTED] Los Alamos National Lab CCN-5 Sched 5/40 PH: 4-0645 Ta-03 SM-1498 MailStop B255 DP 10S Los Alamos, NM 87545 -- So shines a good deed in a weary world. = Willy Wonka -- _______________________________________________ Visit http://www.mimedefang.org and http://www.canit.ca MIMEDefang mailing list [EMAIL PROTECTED] http://lists.roaringpenguin.com/mailman/listinfo/mimedefang
