>> >> Lampa wrote: >> > Hello, >> > >> > i'm using toaster 0.8.3. Sometimes (one per week) i have problem that >> > my server hangs for minute or two. I've limit 50 connections for smtpd >> > (local 20 and remote 10), all 50 connections are used. Server load is >> > about 50 - 100 and mostly is not responding. I setup connections limit >> > (timeoutconnect - 20, timeoutremote - 60, timeoutsmtpd - 60) it helps >> > little (dropping spammers and peple who only block free connections). >> > Computer is core duo 2 6400@ 2.13GHz with 2G ram. Emails are on >> > separate disc. Discs are sata with sw raid (mirror) using reiserfs >> > (need migrate to xfs). There is nothing unusual in logs (except no >> > activity for minute or two) - no errors, qmail is accepting >> > connections. >> > >> > After this "timeout" spamassassin takes long time to process emails. >> > >> > Where can be problem ? Weak CPU, bad power source, bad settings ? >> > >> > Qmail is compiled with conf-spawn = 509, conf-split=101. Qmail-scanner >> > using st patch, using fast spamassassin. Spamassassin is 3.2.1. OS >> > Debian testing >> > >> > Any advices welcome, thank you or help. >> > >> > Lampa >> > >> Try upping your concurrency for SMTP... with your hardware, 100 SMTP >> connections should not be a problem. >> First: check your logs and determine your highest local slot usage. With >> this in mind, >> 20 local connections maybe is too much, since these are done really >> fast, try with 10 or even 5... >> 10 remote connections is way too little, these can take a lot of time to >> complete depending on how much bandwidth you have available. What is the >> size of your queue? If you have a lot of messages in your queue raising >> from 10 to 20 (or even 40) connections will help a lot!
with qmail-scanner, this means that the given number of remote connections may be in the scanning phase simultaneously. If you have antivirus or spamassassin as part of your scanning, make sure that the memory footprint of these processes does not exceed actual RAM Wolfgang ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Qmail-scanner-general mailing list Qmail-scanner-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general
