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Subject: Re: FD_SETSIZE
In-Reply-To: <199806051245.UAA01286@spinner.netplex.com.au> from Peter Wemm at "Jun 5, 98 08:45:17 pm"
To: peter@netplex.com.au (Peter Wemm)
Date: Fri, 5 Jun 1998 10:11:32 -0700 (PDT)
Cc: dima@best.net, bde@zeta.org.au, committers@FreeBSD.ORG
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From: dima@best.net (Dima Ruban)
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Peter Wemm writes:
> There was no "bug", it was an improvement.  That's one of the theoretical 
> guidelines for what goes into -stable.... bugfixes go in, new features and 
> enhancements do not.  Well, that's the theory anyway, it's not followed 
> too carefully as a lot of new features have gone in including some that 
> probably shouldn't have.

I understand. There's one small problem. If you, for example, have
lots of aliases on your network interfaces (I mean, a lot), then
if you run named on this machine, it will complain:
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument
Jun  2 16:49:08 sputnik named[993]: deleting interface [209.133.113.127].53
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument
Jun  2 16:49:08 sputnik named[993]: deleting interface [209.133.113.128].53
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument
Jun  2 16:49:08 sputnik named[993]: deleting interface [209.133.113.129].53
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument
Jun  2 16:49:08 sputnik named[993]: deleting interface [209.133.113.130].53
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument
Jun  2 16:49:08 sputnik named[993]: deleting interface [209.133.113.131].53
Jun  2 16:49:08 sputnik named[993]: evSelectFD(dfd=256): Invalid argument

like this. (It was a bind8)
The same with bind4, with a slightly different message.
And this machine has only class C.
>From what I understand, this is not a very uncommon situation.
I was just trying to fix it.

Another problem is a busy IRC server. irc.best.net, for example, requires
FD_SETSIZE defined to 2048 at least.

> 
> > > Bruce
> > > 
> > 
> > -- dima
> > 
> 
> Cheers,
> -Peter
> --
> Peter Wemm <peter@netplex.com.au>   Netplex Consulting
> 
> 

-- dima

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