[nsd-users] About timestamps in logs and zonestatus

[Jeroen Koekkoek]

Hi Peter,

All good. If the problem persists, let us know.

- Jeroen


On Wed, 2024-02-28 at 08:10 +0300, Peter Andreev via nsd-users wrote:
> Hi Jeroen,
> 
> I just realised that the version I use is very old -- 4.1. So first
> what I should do -- updating it and only then come here , asking for
> clarification.
> 
> 
> вт, 27 февр. 2024 г. в 14:19, Jeroen Koekkoek <jeroen at nlnetlabs.nl>:
> > Hi Peter,
> > 
> > NSD processes updates in batches. xfrd receives the [AI]XFR and
> > schedules a reload for the main process, which in turn forks new
> > serve
> > children. The served-serial is updated after main reports success,
> > the
> > commit-serial (update written to disk) is updated before the reload
> > (to
> > explain the serials).
> > 
> > The difference in timestamp can be explained by the fact that NSD
> > looks
> > up if the serial is still the latest after the TTL expires. If it
> > is,
> > the time is updated because the zone is renewed.
> > 
> > What's the TTL of the zone? Where there any updates to the zone in
> > the
> > meantime?
> > 
> > If the zone is expired in the meantime or the TTL is greater than
> > the
> > time printed, we can try increasing verbosity to spot an issue, or
> > I'll
> > have to dive into the code.
> > 
> > - Jeroen
> > 
> > 
> > On Tue, 2024-02-27 at 08:59 +0300, Peter Andreev via nsd-users
> > wrote:
> > > Dear All,
> > > 
> > > Please help me understand why timestamps in logs are different
> > > from
> > > those in nsd-control zonestatus output:
> > > 
> > >         served-serial: "2024022603 since 2024-02-27T08:07:51"
> > >         commit-serial: "2024022603 since 2024-02-27T08:07:51"
> > > 
> > > Feb 26 18:47:34 slave-server nsd[780]: zone testzone.test.
> > > received
> > > update to serial 2024022603 at 2024-02-26T18:47:33 from
> > > 192.168.10.10
> > > TSIG verified with key mytsig of 6517 bytes in 3.8e-05 seconds
> > > Feb 26 18:47:34 slave-server nsd[777]: zone testzone.test serial
> > > 2024022601 is updated to 2024022603.
> > > 
> > > 
> > > -- 
> > > Is there any problem Exterminatus cannot solve? I have not found
> > > one
> > > yet.
> > > 
> > > _______________________________________________
> > > nsd-users mailing list
> > > nsd-users at lists.nlnetlabs.nl
> > > https://lists.nlnetlabs.nl/mailman/listinfo/nsd-users
> > 
> 
> 
> -- 
> Is there any problem Exterminatus cannot solve? I have not found one
> yet.
> 
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