On Wed, 12 Aug 2009, Jeroen van Aart wrote: > I am not sure if it's the kernel's OOM killer or postfix itself which > causes it to quit. I do not see a mention in /var/log/messages about the > OOM killer killing postfix, but I do see a mention in /var/log/mail.info > about reading "postfix/master[14959]: terminating on signal 15" which is > the default kill signal. > > Would postfix kill itself if it failed to allocate memory? To me that > seems the preferred behaviour for any such program. Or what is postfix' > behaviour under such high load conditions? It's being run with -o stress.
The master(8) signal handler is receiving SIGTERM and thus terminating. Postfix is only killing itself because it's being *told* to do so. I am not sure how you can debug *who* is transmitting the signal. -- Sahil Tandon <sa...@tandon.net>