Date: Sat, 24 May 2003 19:04:56 -0300 (ADT) From: The Hermit Hacker <scrappy@hub.org> To: Mike Harding <mvh@ix.netcom.com> Cc: stable@freebsd.org Subject: Re: system slowdown - vnode related Message-ID: <20030524190051.R598@hub.org> In-Reply-To: <20030521171941.364325314@netcom1.netcom.com> References: <20030521171941.364325314@netcom1.netcom.com>
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Hi Mike ... What version of FreeBSD are you running? There were several fixes put in just after 4.8 was released, one of which dealt with freeing up vnodes, since I was hitting similar problems on our server where we're using unionfs ... On Wed, 21 May 2003, Mike Harding wrote: > > I woke up to a frozen box this morning - it froze up a few more times > before I got a handle on it. > > Basically, the box runs idle but refuses to do disk IO, or does it > -very- slowly. > > Top shows processes stuck in 'ffsvget', 'inode', and 'vlruwk' state. > > I can get the box responsive again by setting sysctl > kern.maxvnods=100000. It starts up with kern.maxnodes=36079. I don't > know yet if this is a 'fix' - I wanted to send this mail out before > the box froze again. > > I can reliably get the box in to this state by doing 'find /'. I do > have a lot of files on the disk, and a things like squid and postgres > that do a lot of file i/o, but I don't recall this happening before > this week. I don't find anything in 'tuning' about bumping up vnodes, > but I do see sporadic reports on a google group search - searching for > 'ffsvgt'. > > Anybody run into this before? > > - Mike H. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy Systems Administrator @ hub.org primary: scrappy@hub.org secondary: scrappy@{freebsd|postgresql}.org
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