Bind 9 is slow?

MJ php at cyberia.net.sa
Thu Mar 17 19:42:32 UTC 2005


Even I have compiled 9.3.1 on the same machine but same issue, but bind
8 works fine. Any help from experts will be highly appreciated.

MJ

-----Original Message-----
From: MJ [mailto:php at cyberia.net.sa]=20
Sent: Thursday, March 17, 2005 10:42 PM
To: 'Tom Schmitt'
Subject: RE: Bind 9 is slow?

Even I have compiled 9.3.1 on the same machine but same issue, but bind
8 works fine. Any help from experts will be highly appreciated.

MJ

-----Original Message-----
From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
Behalf Of Tom Schmitt
Sent: Thursday, March 17, 2005 6:40 PM
To: bind-users at isc.org
Subject: Re: Bind 9 is slow?


>  At 10:05 AM +0300 2005-03-16, MJ wrote:
>  Recently I have installed a secondary DNS server (Bind 9.2.3, on Sun
>  E450, single CPU and 512 MB RAM), It is working but when I try to
>  nslookup it takes 2 to 3 seconds to reply.

Hi,
You defenitly have a problem. A time of 2 or more seconds to resolve a
query
is very unusual. I would think, it might be a timeout-problem, maybe a
wrong
entry in your /etc/resolv.conf

I have a very similar machine: An old SUN with SUN 2.6, one CPU with 450
MHz
and 512 MB RAM. On the machine are also running a few Perl-scripts, an
apache and a DHCP-server with about tenthousand clients. The named is
version 9.2.1 and has an average of 330 queries per second (hosting
about
200 000 records).

In this configuration the named need 15 to 20 percent of the CPU-Power
and
when I try a dig on this machine (local) I get a response time from 2 to
5
msec.
Please note the m in front of the sec.
Your 2 to 3 sec must be a timeout of something or worse.
=20
Regards,
Tom.

--=20
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