From: Burak BASKAN (burak_at_duslersokagi.com)
Date: Mon 30 Dec 2002 - 18:20:45 GMT
no, kernel checks /proc/sys/fs/file-max file to open new file description or not, if the max file limit reached then there are lots of bad error msg occurs, like;
bash$ ls
-bash: ls: command not found
bash$ whoami
could not find /etc/passwd
etc.. then if you increase your file-max limit then everything works fine,(without get the same errors)
if you want to check set the limit as 200;
echo 200 > /proc/sys/fs/file-max
and run some process, then wathc what will be happen.
As i told before i'm not sure if it is the ifx of crash problem, it is just a way that i try to solve my problem, because i havent got any error msg or anything for that problem, i have to do my best..
best regards,
Burak.
> On Mon, Dec 30, 2002 at 04:39:46PM +0200, Burak BASKAN wrote:
> > it is all about 7 day uptime, and i hope crash problem is fixed with
> > file-max value changed action.
>
> sorry, that is no fix, that is adjusting probabilities ...
>
> the only usage of file-max is in fs/file_table where
> it limits the number of kernel filp structures created
> on demand, so if file-nr doesn't reach file-max there
> is no difference whether you set it to 10240 or one
> million, and if you reach the limit you'll get
> "VFS: file-max limit %d reached" and some of your tasks
> will stop working ...
>
>
> > Using 2.4.20 kernel; what is the default file-nr value?
> > And what is the
> > normal max. value for 1gb p1.5mhz machine?
>
> file-max is computed at kernel boot time and set to
> max(n, NR_FILE) with
>
> n = (mempages * (PAGE_SIZE / 1024)) / 10;
> NR_FILE = 8192
>
> best,
> Herbert
>
>
> > > >
> > > >cat /proc/sys/fs/file-nr
> > > >7161 1452 10240
> > > >
> > > >When i compile new kernel, the max value is about 103xxx and it
> > looks very
> > > >big for me, and i modify it as 10240.
> > > >
> > > >Now my uptime is about 5 days, and i hope the >crash problem is
> > about file
> > > >max value.
> > >
> > > Any news about this???
> > >
> > > i am back on ctx14 now and the box is stable
> > > with ctx16 i get 1-2 crash/days
> > >
> > > Thanks
> > >
> > >
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> >
> > References
> >
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