Thanks for your input Ruz, I don't feel it's an Apache configuration issue as the server was running fine on a 1/4 of the memory before the switch-over.
The memory usage is climbing steadily, looks more like a memory leak. On 25 July 2012 15:02, Ruslan Zakirov <[email protected]> wrote: > Hi, > > Your system is out of memory. You should lower number of apache > processes. Setup more more memory effective configuration. Lower > number of requests each child serves before restart. I know that > lowering number of translations loaded into RT can lower memory > footprint. > > Do you use mod_perl? Do you use FCGI? > > We don't know anything about your setup to help you fit RT into memory. > > Using sendmailpipe method is correct thing to do and recommended. You > have less problems than with smtp, but it sure fails if your server is > not able to run a new process. > > On Wed, Jul 25, 2012 at 5:33 PM, John Mclean <[email protected]> wrote: >> Hi, >> >> We successfully reconfigured our RT server to use Gmail instead of a >> local smtp server. >> >> Unfortunately we are running into 'Cannot allocate memory' errors >> after apache consumes all the available memory, please see sample >> error below: >> >> [Mon Jul 23 09:34:04 2012] >> [crit]:<rt-4.0.2-1424-1343036044-450.5978-6-0@ourdomain>: Could not >> send mail with command `/usr/sbin/sendmail -oi -t`: couldn't execute >> program: Cannot allocate memory at >> /usr/share/request-tracker4/lib/RT/Interface/Email.pm line 448. >> >> The top command, with the shift M option, shows Apache as being the culprit. >> >> Our server is running the below software: >> >> RT 4.0.2 >> Exim version 4.72 >> Debian version 6.0.3 >> Apache/2.2.16 (Debian) >> >> The /etc/request-tracker4/RT_SiteConfig.pm perl module previously had >> the below email configuration lines: >> >> Set($MailCommand , 'smtp'); >> Set($SMTPServer, 'local_email_server'); >> >> These have now been changed to: >> >> Set( $MailCommand, 'sendmailpipe'); >> Set( $SendmailPath , "/usr/sbin/sendmail"); >> Set( $SendmailArguments , "-oi -t"); >> >> Sendmail is a symlink to exim4. >> >> The below thread, sheds more light on the problem, sendmailpipe being >> incompatible with exim: >> >> http://comments.gmane.org/gmane.comp.bug-tracking.request-tracker.user/47169 >> >> To fix the problem could we use the below configuration in the >> /etc/request-tracker4/RT_SiteConfig.pm file? >> >> Set($MailCommand , 'sendmail'); >> Set($SendmailArguments , "-bm -- <your email address>"); >> Set($SendmailPath, "/usr/sbin/exim4"); >> Set($NotifyActor, 1); >> >> Sourced from: http://requesttracker.wikia.com/wiki/ManualInstallation >> >> Or should we use the Apache prefork MPM change in: >> >> http://comments.gmane.org/gmane.comp.bug-tracking.request-tracker.user/47169 >> >> Any other suggestions, will be greatly appreciated. >> >> Thanks >> >> John > > > > -- > Best regards, Ruslan.
