Hi
rndc stats Write server statistics to the statistics file
RTT for the request (recursive too), but maybe enough for you client ...
Philippe
++ Resolver Statistics ++
[Common]
[View: default]
655342 queries with RTT < 10ms
170144 queries with RTT 10-100ms
21577 queries with RTT 100-500ms
1454 queries with RTT 500-800ms
2604 queries with RTT 800-1600ms
2589 queries with RTT > 1600ms
-----Original Message-----
From: bind-users [mailto:bind-users-boun...@lists.isc.org] On Behalf Of
/dev/rob0
Sent: vendredi, 2 décembre 2016 16:56
To: bind-users@lists.isc.org
Subject: Re: query time logging
On Fri, Dec 02, 2016 at 01:37:17PM +0100, Ivan Fabris wrote:
> I'm runnig some analisys on my BIND instances, I'm interested in find
> out how much time it takes every single query, but I' can't find and
> option to show this information in the log The dns is used by our
> customers and they ask for detailed reports ( they'll never read ...
> :)
Indeed.
> It would be a little clumsy, and often meaningless, to subtract the
> first line's timestamp from the last one .... so I hope there is a way
> to show "query_exec_time=xxxns" somewhere I'm running BIND 9.10 and
> 9.11-P1 in a Centos 7, with debug level
> 99
There's a compile-time configure option, "--enable-querytrace", which might do
what you want. It will also hurt performance and eat your system resources.
You can try it, but it might not be worth it.
You might also want to look at dnstap. NOTE: I have not tried either, so I
don't know if they'll report what you want to see.
--
http://rob0.nodns4.us/
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