[Pdns-users] Recursor backend..

bert hubert ahu at ds9a.nl
Tue Mar 4 21:09:58 UTC 2003


On Tue, Mar 04, 2003 at 05:10:09PM +0100, A/S ScanNet - Dan Faerch wrote:
> Hmm.. The secondary recorsor apparently died again this friday (the 28th)..
> That would make the recursor uptime something like 2-3 days.. I didnt notice
> this before the primary recursor died today, since everything answered
> correctly..

well, all I can say is that it is rocksolid here.. Try to compile the
pdns_recursor and not strip it and try to get a coredump (ulimit -c 2342343
before starting pdns).

Just passing the 2.000.000th packet here with no interruption.

Regards,

bert

> 
> Log from secondary is almost the same:
> ------------------------------------------
> Feb 28 18:39:10 ns2 pdns_recursor[963]: [165411] question for
> '102.22.70.64.bl.spamcop.net|A' from 127.0.0.1
> Feb 28 18:39:10 ns2 pdns_recursor[963]: [165411] answer to question
> '102.22.70.64.bl.spamcop.net|A': 0 answers, 0 additional, took 1
>  packets, 0 throttled, rcode=3
> Feb 28 18:39:11 ns2 pdns_recursor[963]: [165412] question for
> '37.100.28.66.in-addr.arpa|PTR' from 127.0.0.1
> Feb 28 18:39:13 ns2 pdns[970]: Error receiving packet from recursor backend:
> Connection refused
> 
> ----- Original Message -----
> From: "A/S ScanNet - Dan Faerch" <dan at scannet.dk>
> To: <pdns-users at mailman.powerdns.com>
> Sent: Tuesday, March 04, 2003 5:01 PM
> Subject: [Pdns-users] Recursor backend..
> 
> 
> > Recursor seems to randomly die... (I shortly hinted this, last time i
> wrote
> > :) )
> >
> > I have 2 dns servers, both running their own pdns_recusor..
> > I have no idea why this happens..  First it died on the secondary about
> 5-7
> > days ago, today it died on the primary..
> >
> > There doesnt appear to be anything usefull in the logs:
> > ------------------------------------------------------
> > Mar  4 16:24:43 ns pdns_recursor[24784]: [660475] question for
> > 'theblackcrowes.com|MX' from 127.0.0.1
> > Mar  4 16:24:43 ns pdns_recursor[24784]: [660476] question for
> > 'helmig.net|MX' from 127.0.0.1
> > Mar  4 16:24:43 ns pdns[24792]: Error receiving packet from recursor
> > backend: Connection refused
> > Mar  4 16:24:43 ns last message repeated 4 times
> >
> > i run the recursor without a conf file and simply i run it like:
> > pdns_recursor --local-port=54
> >
> > i should proberbly point out that our recursor is doing quite a bit
> > recursing.. (last 3 days '966504 recursing questions' on one of the
> servers,
> > according to the web-statpage.. Dont know if that counts the cache hits as
> > well).
> >
> > Anything i can do make hunting this bug easier?
> > Is there a debug-build-thingie i can do? (one that doesnt log TOO much)..
> >
> > - Dan
> >
> >
> > _______________________________________________
> > Pdns-users mailing list
> > Pdns-users at mailman.powerdns.com
> > http://mailman.powerdns.com/mailman/listinfo/pdns-users
> >
> >
> 
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