I have the same problem of almost 100% CPU usage Can you kindly provide me with your clamd.conf?
Best Regards, Kareem Mahgoub ----- Original Message ----- From: "Odhiambo Washington" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, October 26, 2004 8:05 AM Subject: Re: [Clamav-users] Performance Help - 100% cpu usage > * Eric Worthy <[EMAIL PROTECTED]> [20041026 07:02]: wrote: > > I built a new 4 cpu/1 gig ram qmail/vpopmail/qmailscanner/clamv > > mail server. (Four (4) Pentium® III Xeon 700 MHz/ 1 MB Cache) > > I put it in last Thursday with it running great, then > > yesterday, about 6pm, the cpu usage went to near 100% with about 800 > > smtp transfers per hour. > > > > This morning about 8am, the cpu is at 100% and we're running about > > 1400 smtp transfers per hour. > > > > It appears that even this box can't keep up with all the scanning > > that has to take place. Here is top at this hour: > > http://t10.net/cpu.jpg > > http://t10.net/cpu2.jpg > > > > Tasks: 118 total, 7 running, 111 sleeping, 0 stopped, 0 zombie > > Cpu0 : 69.2% user, 30.8% system, 0.0% nice, 0.0% idle > > Cpu1 : 75.6% user, 24.4% system, 0.0% nice, 0.0% idle > > Cpu2 : 73.1% user, 26.9% system, 0.0% nice, 0.0% idle > > Cpu3 : 76.3% user, 23.7% system, 0.0% nice, 0.0% idle > > Mem: 1032988k total, 836408k used, 196580k free, 37472k buffers > > Swap: 128480k total, 93060k used, 35420k free, 351288k cached > > > I would suggest that you DisableDefaultScanOptions in clamd.conf > and tune values according to your system. My servers do slightly > more than 800 smtp transfers per hour and I found out that working > with the DisableDefaultScanOptions commented out brought my server > to its knees. And my server is almost like yours, except it's Pentium > III Xeon 500MHz. > > If you prefer, I can privately e-mail you my clamd.conf that works for > me. You can test it out. It's not the best tuned, especially regarding: > > MaxConnectionQueueLength > MaxThreads > > I still need to know how those two values should be determined. > What to base their values on. > > At any given moment, my SMTP service has average 300 child processes > so I used that value for MaxConnectionQueueLength. I am not sure > that is quite what it should be, but works for me is the key thing ;) > > I'll appreciate any contributions towards making decisions on those > two values. > > > > -Wash > > http://www.netmeister.org/news/learn2quote.html > > -- > +======================================================================+ > |\ _,,,---,,_ | Odhiambo Washington <[EMAIL PROTECTED]> > Zzz /,`.-'`' -. ;-;;,_ | Wananchi Online Ltd. www.wananchi.com > |,4- ) )-,_. ,\ ( `'-'| Tel: +254 20 313985-9 +254 20 313922 > '---''(_/--' `-'\_) | GSM: +254 722 743223 +254 733 744121 > +======================================================================+ > Have you ever noticed that the people who are always trying to tell > you, "There's a time for work and a time for play," never find the time > for play? > _______________________________________________ > http://lists.clamav.net/cgi-bin/mailman/listinfo/clamav-users > _______________________________________________ http://lists.clamav.net/cgi-bin/mailman/listinfo/clamav-users