general: warning: max open files (3636) is smaller than maxsockets (4096)

Squirrel squirrel at mail.isot.com
Tue Mar 17 13:41:39 PDT 2009


Nice!!!

Thank you.

-----------------------
PCShare.Com

-----Original message-----
From: David Kelly dkelly at hiwaay.net
Date: Tue, 17 Mar 2009 20:32:10 -0600
To: Squirrel squirrel at mail.isot.com
Subject: Re: general: warning: max open files (3636) is smaller than maxsockets (4096)

> On Tue, Mar 17, 2009 at 12:31:43PM -0600, Squirrel wrote:
> > This happend since I've upgraded bind 9.21 to 9.6.0.  I've increased
> > the max open files to 4096:
> > 
> >    sysctl -w kern.maxfiles=4096
> > 
> > which shows it resized from 4040->4096
> > 
> > But I guess it's different for bind?  I've googled and found several
> > references to this warning message, but everyone states it's not a
> > problem and shouldn't be concerned.  Some real advice would be
> > appreciated.
> 
> Depends a lot as to how busy your name server is, I guess.
> 
> Mine is a lightly loaded in internal office use. When my PII 450 MHz
> 192MB machine issued similar complaint on upgrade of bind I was tricked
> into rebooting a machine with over 800 days uptime only to get the exact
> same message again.
> 
> So I limited the number of sockets named would ask for using this in
> /etc/rc.conf:
> 
> named_flags="-4 -S 1024"
> 
> -- 
> David Kelly N4HHE, dkelly at HiWAAY.net
> ========================================================================
> Whom computers would destroy, they must first drive mad.
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