Re: why no fdset patch in kernel?

Brian (signal@shreve.net)
Sat, 19 Jun 1999 11:21:18 -0500 (CDT)


On Sat, 19 Jun 1999, David wrote:

> Dancer wrote:
>
> > Alan Cox wrote:
> > > Umm. I think you are mistaken there, certainly for apache. the 1024 is
> > > _per_process_. Apache doesn't use hundreds of fds per process. Zeus may
> > > hit the 1024 fd limit. To hit 1024 fds on apache you;d need a lot of
> > > static mmap files or 1000 odd different log files
> >
> > We do. There's about three file-descriptors in use per virtual server.
> > Put 1400 virtual servers on a box, and you need some decent fd support.
>
> erm, per virtual web domain or per child? additional web domains -don't-
> need to take more descriptors unless you choose to have individual log files
> per each which is really silly.
>
> use the more advanced logging features and reduce your logfile count
> considerably. this has an immense performance benefit on a busy site. no
> cross disk seeking to update individual logs. less file descriptors to
> select on, etc, etc.

I think most use seperate log files, I know we do. Sometimes the clients
want their own files to run stats on. Plus if we made all traffic goto
one file, it would grow to such a large size it would have to be rolled
over every few days.

>
> -d
>
> --
> This is Linux Country. On a quiet night, you can hear Windows NT reboot!
> Do you remember how to -think- ? Do you remember how to experiment? Linux
> __ is an operating system that brings back the fun and adventure in computing.
> \/ for linux-kernel: please read linux/Documentation/* before posting problems
>
>
>

-----------------------------------------------------
Brian Feeny (BF304) signal@shreve.net
318-222-2638 x 109 http://www.shreve.net/~signal
Network Administrator ShreveNet Inc. (ASN 11881)

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