Re: [SLUG] File descriptor leak ?

From: Ian C. Blenke (icblenke@nks.net)
Date: Tue Oct 22 2002 - 10:55:50 EDT


On Tuesday 22 October 2002 09:15, Ronan Heffernan wrote:
> Ed Centanni wrote:
> > Uh... nevermind. It's the Name Server Cache Daemon (nscd) and
> > restarting it will clear them out. Anybody know how to stop them from
> > building up?
>
> I don't know why netstat is show "ESTABLISHED" connections. UDP is
> connectionless and stateless. Maybe netstat is presenting you with a
> history of received packets? *NIX doesn't even know when an incomming
> packet is "in response to" a previous outgoing packet, versus being an
> unsolicited incoming UDP packet.

Ronan is correct.

I *always* kill nscd outright - it does nothing but muck up systems, the pain
far outweighs any benefits of reducing minor network traffic with its often
broken caching behaviour.

Just say "no" to nscd, particularly in a NIS environment. Your resolver will
thank you.

 - Ian C. Blenke <icblenke@nks.net> <ian@blenke.com> http://ian.blenke.com



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