BIND 9.2 and big dns traffic
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Tue Jan 15 22:57:12 UTC 2002
> Hello,
>
> I've installed a Bind ver 9.2 on a new server to do a CACHE DNS.
>
> I was on a Bind 8.2.x and i've lots of clients which connect to our dns.
>
> When we have routed our old dns traffic on our new dns cache, named has
> troubles :
>
> [...]
> Jan 14 18:39:45 nscache0 named[877]: client 62.23.36.19#44341: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.83.3#60866: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 62.23.94.195#4154: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 62.23.9.150#37066: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.50.250#1824: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 213.41.78.41#1797: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.108.103#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 213.41.40.72#53: no more
> recursive clients: quota reached
> Jan 14 18:39:45 nscache0 named[877]: client 195.68.64.5#4974: no more
> recursive clients: quota reached
> [...]
>
> When i saw that, i 've read new options of Bind and i see the "tcp-clients
> number". I tried to specify a value (100, 1000, more and less) but i've
> always the same logs.
options {
recursive-clients number;
};
> Morever, the processus "named" takes 98% CPU , isn't it stronge ?
>
> Finally i've reinstalled a Bind ver 8.x instead of 9.x. and for this moment
> it is ok.
>
> I d like to know how to support a _mass_ dns traffic on a bind 9.x.
>
> Thanks.
>
> nicolas
>
>
>
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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