On Fri, 21 May 2010, Bowie Bailey wrote: > Jean-Paul Natola wrote: > > Hi all, > > > > I am constantly getting the server reached --max children setting entries > > in my log > > > > I started with 10 max children and have been raising it by 2. I am now at > > 40 , but still getting the messages (though not as often) how high can I go > > given these specs: > > > > sa 3.3 on freebsd , hardware is a PIV 1.3 ghz with 1 gig of ram 20 gig > > 5400 rpm PATA drive, and processing an average of 8000 messages a day. > > > > When running top I have seen swap usage go as high as ~500M > > > > Lower it until you see the swap usage go away. Having messages waiting > for an available child is MUCH better than having the system using swap.
>Can you tune your MTA to limit the number of incoming SMTP connections? These are my mta settings smtp_accept_max = 10 smtp_accept_max_per_host = 5 smtp_accept_reserve = 0 >8000 messages a day works out to about 5 per minute, so on average you >shouldn't have more than 2 or 3 simultaneous messages in the queue. This >probably means that you're getting hit with sporadic spam/dictionary >attack floods that may peak at multiple messages/second. >Throttle those at the incoming MTA and your SA should be much happier. >One other question, that 8000 messages a day, are those total incoming >messages or 8000 ham messages? Assuming a 90% spam rate, to get 8000 hams >a day you need to process 80,000 total incoming messages a day. These are the stats for the week Total number of emails processed by the spam filter : 58249 Number of spams : 54479 ( 93.53%) Number of clean messages : 3770 ( 6.47%) Average message analysis time : 10.98 seconds Average spam analysis time : 6.76 seconds Average clean message analysis time : 23.35 seconds Average message score : 11.49 Average spam score : 20.10 Average clean message score : -13.76 Total spam volume : 677 Mbytes Total clean volume : 579 Mbytes I don't know if or how the "spamd timeouts" are categorized
