Date: Fri, 1 Jul 2005 18:19:03 -0400 (EDT) From: Matt Juszczak <matt@atopia.net> To: freebsd-questions@freebsd.org Subject: Lock up problems fixed??? not sure... Message-ID: <20050701181347.N14065@neptune.atopia.net>
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Hi all, Well, after removing IPF and having a week of stability, we decided to put our mail server to the test. I began flooding it with tons of mail messages using smtp-source at about 2 pm today. The server load jumped up to about 4.50 average. It eventually started denying requests, but after waiting a few minutes, it would accept them again (I was literally flooding it, I sent in all 1.2 million emails). I wrote a scipt to hammer it, so even after it would refuse the connection, it would hammer it again. Eventually, the machine started to not respond. I could ping it with successful replies, but could not SSH into it. The last message on the screen was "Could not write to /var/mail/thissucks", which was the account we were testing. I rebooted the machine, and all is fine. I'm not sure if this is still a sign of instability, or if this is a "Any idiot who would sent 1.2 million emails and a full flood for hours to a mail server should expect something like this to happen" message. Any input? Thanks! -Matt
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