Restarting named [was: Re: root and in-addr.arpa zone transfers]

[Chris Thompson]

On Sep 11 2009, Sam Wilson wrote:

>In article <mailman.469.1252646962.14796.bind-users at lists.isc.org>,
> Michael Monnerie <michael.monnerie at is.it-management.at> wrote:
>
>> On Freitag 11 September 2009 Joseph S D Yao wrote:
>> > However, as M. Bortzmeyer has said, why do this?
>> 
>> Faster queries after a named restart. ...
>
>How often do you restart named?

$ ps -o user,zone,pid,stime,time,comm -U namesrvr
    USER     ZONE   PID    STIME        TIME COMMAND
namesrvr testdns0   104   Jul_28       00:16 /usr/local/BIND/bind/sbin/named
namesrvr authdns0  1169   Jul_29    07:11:15 /usr/local/BIND/bind/sbin/named
namesrvr  recdns0  1611   Jul_29  3-08:01:37 /usr/local/BIND/bind/sbin/named

$  ps -o user,zone,pid,stime,time,comm -U namesrvr
    USER     ZONE   PID    STIME        TIME COMMAND
namesrvr authdns1 13248   Jul_29    05:03:41 /usr/local/BIND/bind/sbin/named
namesrvr  fakedns 12389   Jul_29       02:29 /usr/local/BIND/bind/sbin/named
namesrvr testdns1 13981   Jul_29       00:17 /usr/local/BIND/bind/sbin/named
namesrvr  recdns1 13748   Jul_29  1-13:48:35 /usr/local/BIND/bind/sbin/named

That was from the (somewhat urgent) upgrade from BIND 9.6.1 to 9.6.1-P1.
It's not unusual for them to run for months without interruption.

>                                We hit our master once a day, in the 
>early hours but that's just habit and I've always thought we were a bit 
>hyperactive.

I think so too.

-- 
Chris Thompson
Email: cet1 at cam.ac.uk