[linux-elitists] DNS speedup

Jon Carnes jonc@nc.rr.com
Thu Jan 15 12:17:45 PST 2004

You should post your named.conf file and your resolv.conf file

On Thu, 2004-01-15 at 14:36, Jim Richardson wrote:
> I have a busy server, that is running it's own copy of <spit> BIND9 that
> I need to tweak somehow. It's really slow, and doesn't seem to cache
> anything. Unfortunately, I can't at the moment replace it with something
> like tinydns as it's on one of those integrated make it easy for the
> vhosts webpanel setup things. 
> Doing a simple nslookup, results in at least 1.5 seconds of delay,
> sometimes, as much as 4 seconds per, which would be ok on an initial
> lookup, but I get the same delay if I do the same lookup again, right
> after the first one returns. 
> Without spewing my named.conf here, are there any suggestions on where
> to look to make sure that some sort of caching is actually going on?
> named.conf is a bit obscure to me, so I haven't learned it as well as I
> probably should. I have about 30 vhosts on this machine, it gets about
> 100,000 hits a day, (not counting ad impressions, which go to a
> different server)  as you can guess, it's pretty busy and this isn't
> helping. Oh, if I drop the load, I don't see any improvement in DNS
> query times. 
> Thanks all. 

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