Date: Fri, 21 Nov 1997 14:32:26 +0100 (MET) From: Eivind Eklund <perhaps@yes.no> To: Jaye Mathisen <mrcpu@cdsnet.net> Cc: hackers@FreeBSD.ORG Subject: Re: Serious performance issue with 2.2.5-RELEASE Message-ID: <199711211332.OAA03173@bitbox.follo.net> In-Reply-To: Jaye Mathisen's message of Thu, 20 Nov 1997 12:17:36 -0800 (PST) References: <Pine.NEB.3.95.971120121353.23652R-100000@mail.cdsnet.net>
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> > > > I upgraded my web server to 2.2.5 from 2.2.2-stable, dated sometime in > July. > > Big mistake. > > The only update to take place was the make buildworld, make installworld, > no other configuration files were modified, nor any changes to startup > scripts, etc. > > I now get these weird pauses where everything on the machine just freezes > for 30-40 seconds, sometimes longer. NFS is compiled in, but not in use. > > The system was a web server, and was happily serving up several hundred > domains. Now with the upgrade, I'll be lucky to keep them. Not good. You've not had any problems with 2.2.2? We've been having problems with 4-5 seconds random hangs on our 2.2.2 webservers, which seems to occur mostly on static pages. I've not been able to find any clear pattern to when this happens; it is completely random, and seems to have be less often lately (but still happens in 1 of 100 cases or so). A previous comment to -hackers on this didn't given any reply, so it doesn't seem to be a common problem - but the problems are present on a lot of different machines, with almost all-different hardware (I think all of them have 2940s - but they don't emit any warning/error messages from the drivers). I have not been able to reproduce any delays in ssh or terminal modes on the same machines. Eivind.
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