>>> I have still vnodes problem in 4.8-stable with /sys/kern/vfs_subr.c
>>> 1.249.2.30.
>
> Ishizuka-san, could you possibly try the following command line
> repeatedly while slowdown is being observed?
>
> % vmstat -m | grep '^ *vfscache'
>
> If the third number of its output is approaching or hitting the fourth,
> the chances are your kernel is running out of memory for namecache,
> which was actually the case on my machines.
Hi, nagao-san.
I stopped 310.locate of weekly cron and the slow down is not occurred so
often. The slow down was just occurred as follows with a dual Xeon machine
(Xeon 2.4GHz x 2, 2 giga byte rams, 4.8-Stable with SMP and HTT option).
% sysctl -a|grep vnodes
kern.maxvnodes: 140000
kern.minvnodes: 33722
debug.numvnodes: 140025
debug.wantfreevnodes: 25
debug.freevnodes: 76
% vmstat -m | grep '^ *vfscache'
vfscache818445 52184K 72819K102400K 19758622 0 0 64,128,256,512K
It seems that the third number is smaller enough than fourth.
I typed 'sysctl kern.maxvnodes=150000' and the machine is recovered.
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