[nsd-users] NSD 4.1.9 release

[Brett Carr]

I would echo Anands endorsement of the nodb mode we use this for all of our TLD secondaries and have found it very efficient and stable.

Brett

--
Brett Carr
Senior DNS Engineer
Nominet UK

> On 15 Mar 2016, at 11:40, Anand Buddhdev <anandb at ripe.net> wrote:
> 
> Signed PGP part
> Hi Wouter,
> 
> Thanks for this! We were affected by this issue as well, because some
> of our servers were still using the DB mode.
> 
> However, I have changed our internal SPEC file to build NSD with:
> 
> --with-dbfile=""
> 
> so that all our NSD instances will use plain text zone files by
> default, and simply not use the DB mode.
> 
> FYI for all NSD users. Wouter added this "nodb" mode at our request,
> and it works really well for us. An NSD server that has only slave
> zones will XFR them all in at startup. Periodically (default every
> 1h), it will flush the zones to plain text files on disk, so that when
> NSD is restarted, it can read the zones back in. If 1 hour seems too
> long to wait before writing out changed zones to disk, one can adjust
> the value in nsd.conf.
> 
> In the event of a restart with unflushed zones, NSD will just read an
> older copy of the zone from disk, and then immediately XFR a new copy
> in. If you wish, you can also run "nsd-control write" before
> restarting NSD, so that it restarts with the freshest copy of zones.
> In my opinion though, all this isn't really necessary, because
> restarts are rare, and if the odd zone here or there hadn't been
> flushed to disk, it will be updated to the latest copy within moments
> of starting NSD.
> 
> I can highly recommend the "nodb" mode by setting "database:" to "" in
> nsd.conf, or making this the default at compile time with the
> configure option I mentioned above.
> 
> Regards,
> Anand Buddhdev
> RIPE NCC
> 
> On 15/03/16 11:52, W.C.A. Wijngaards wrote:
> 
> > Hi,
> >
> > NSD 4.1.9 is available:
> > http://www.nlnetlabs.nl/downloads/nsd/nsd-4.1.9.tar.gz sha1
> > 6ff4b2998aedf3a8ae18a071f1d121f3586aaf70 sha256
> > b811224d635331de741f1723aefc41adda0a0a3a499ec310aa01dd3b4b95c8f2
> > pgp http://www.nlnetlabs.nl/downloads/nsd/nsd-4.1.9.tar.gz.asc
> >
> > Fix crash on startup when upgrading from 4.1.x to 4.1.8, because
> > of nsd.db format change.  This has no effect if nsd.db is deleted
> > before upgrade or if database: "" is set in nsd.conf.
> 
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