Date: Wed, 7 May 2003 12:35:48 -0500 From: Glenn Johnson <gjohnson@srrc.ars.usda.gov> To: Doug Barton <DougB@FreeBSD.org> Cc: "W. Josephson" <cvs-D20030429@morphisms.net> Subject: Re: recent performance problems? Message-ID: <20030507173548.GA24421@node1.cluster.srrc.usda.gov> In-Reply-To: <20030506222117.I5620@znfgre.qbhto.arg> References: <20030507022653.GA66145@mero.morphisms.net> <20030506205054.V5620@znfgre.qbhto.arg> <20030506213958.Q5620@znfgre.qbhto.arg> <20030507050706.GA67422@mero.morphisms.net> <20030506222117.I5620@znfgre.qbhto.arg>
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On Tue, May 06, 2003 at 10:22:20PM -0700, Doug Barton wrote: > On Wed, 7 May 2003, W. Josephson wrote: > > > On Tue, May 06, 2003 at 09:40:19PM -0700, Doug Barton wrote: > > > > > On Wed, 7 May 2003, W. Josephson wrote: > > > > > > > On Tue, May 06, 2003 at 08:51:09PM -0700, Doug Barton wrote: > > > > > > > > > Do the recommendations in UPDATING help you guys at all? > > > > > > > > I'm not quite sure what you are after > > > > > > Did you actually read /usr/src/UPDATING? > > > > yes. Do you actually care about having feedback on -CURRENT? > > Yes we do. That's why I asked. Which of the options suggested in > UPDATING did you try, and what were the results? In my case I have all of the debugging options off as per UPDATING. I think I have a system with a different twist though. Here is the uname output: FreeBSD 5.1-BETA #2: Tue May 6 10:38:29 CDT 2003 root@node1.cluster.srrc.usda.gov:/usr/obj/usr/src/sys/CLUSTER-FW When I first boot the system up it is fine. However, it slows down after a period of time. Within a few hours it is essentially unusable. It does not seem to be a gradual slowdown but I do not know how to quantify that. I did find the following in /var/log/messages after the most recent slowdown: May 6 19:52:21 node1 kernel: swap_pager: indefinite wait buffer: device: twed0s1b, blkno: 408, size: 4096 The system had been up for about four and a half hours and the time stamp above corresponds to when the slowdown occurred. Now, I could be having problems with the 3-Ware RAID card or this could be the same thing that others are reporting. Anyway, I thought I should share that as it might provide a clue to someone. -- Glenn Johnson USDA, ARS, SRRC Phone: (504) 286-4252 New Orleans, LA 70124 e-mail: gjohnson@srrc.ars.usda.gov
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