system slowdown - vnode related
das at freebsd.org
Sun Jun 8 21:19:56 PDT 2003
On Mon, Jun 09, 2003, Masachika ISHIZUKA wrote:
> Hi, David-san.
> I have still vnodes problem in 4.8-stable with /sys/kern/vfs_subr.c
> 310.locate of weekly cron make slow down or panic. Values of sysctl
> are shown as follows when they reached slow down.
> (1) #1 machine (Celeron 466 with 256 mega byte rams)
> % sysctl kern.maxvnodes
> kern.maxvnodes: 17979
> % sysctl vm.zone | grep VNODE
> VNODE: 192, 0, 18004, 122, 18004
This looks pretty normal to me for a quiescent system. Ordinarily
I would actually suggest raising maxvnodes if you have lots of
little files. Does the number of vnodes shoot up when 310.locate
runs? Did you get a backtrace from the panics? Perhaps the VM
page cache is still interfering...
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