[Pdns-users] Recursor: Different answers for the same query

bert hubert bert.hubert at netherlabs.nl
Wed Jan 26 20:07:58 UTC 2011


On Wed, Jan 26, 2011 at 01:08:08PM -0600, Kenneth Marshall wrote:
> They scale much more linearly if they do not need to share the
> cache. See the release notes.

Indeed - Unbound follows the same idea. Future PowerDNS Recursor versions
may do away with the 'thread' altogether and be completely separate
processes again.

Threads continue to share stuff you don't want them to be sharing.

	Bert

> 
> Cheers,
> Ken
> 
> On Wed, Jan 26, 2011 at 11:03:17AM -0800, David Hawthorne wrote:
> > They don't share the same cache?  What's the reasoning behind that?
> > 
> > On Jan 26, 2011, at 1:55 AM, bert hubert wrote:
> > 
> > > On Wed, Jan 26, 2011 at 10:32:19AM +0100, Christian Kuehn wrote:
> > >> any idea why the pdns-recursor 3.3 gives different answers to the same
> > >> query??
> > > 
> > > Hello!! ;-)
> > > 
> > > You probably run with threads=2, and one of the threads has had problems
> > > resolving cecilmen.se, and the other hasn't.
> > > 
> > > 3.3.1 which will be released soon tries a bit harder to resolve domains when
> > > timeouts happen, which should reduce this from happening.
> > > 
> > > But at the root, there is no bug needed to explain what you are seeing.
> > > 
> > > 	Bert
> 



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