[Pdns-users] IXFR Stability Feedback

Klaus Darilion klaus.darilion at nic.at
Fri Apr 21 21:46:12 UTC 2023

> -----Ursprüngliche Nachricht-----
> Von: William Edwards <wedwards at cyberfusion.nl>
> Gesendet: Samstag, 15. April 2023 23:51
> An: Peter Thomassen <peter at desec.io>
> Cc: Klaus Darilion <klaus.darilion at nic.at>; pdns-
> users at mailman.powerdns.com
> Betreff: Re: [Pdns-users] IXFR Stability Feedback
> > Op 15 apr. 2023 om 23:01 heeft Peter Thomassen via Pdns-users <pdns-
> users at mailman.powerdns.com> het volgende geschreven:
> >
> > Hi Klaus,
> >
> >> On 4/15/23 22:09, Klaus Darilion via Pdns-users wrote:
> >> Hence, I would consider enabling IXFR for this zone, but until now I always
> tried to stay away from IXFR as there were always bugs in PDNS regarding
> IXFR, and according to the documentation removing of ENTs is not supported
> (does this have a real word impact?).
> >
> > Wouldn't the main obstacle be that pdns does not support outgoing IXFR?
> I take it Klaus uses native replication and a non-PowerDNS primary.

Correct. With native replication (in our case postgresql logical replication) outgoing is more or less the same as incoming: if incoming is an AXFR, the DELETE and INSERT for all RRs get replicated. For IXFR we would only have to replicate the affected table rows.


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