How does BIND 9 scale with multithreading?

Philippe.Simonet at Philippe.Simonet at
Wed Sep 29 08:37:56 UTC 2010


i read that 'old' bind version where better when threading was disabled. Load balancing 
between 2 processe was better.  Is this always the case ? 

some interesting links for DNS performance : 


> -----Original Message-----
> From: at
> [ at]
> On Behalf Of Eivind Olsen
> Sent: Wednesday, September 29, 2010 09:56
> To: bind-users at
> Subject: How does BIND 9 scale with multithreading?
> Does anyone know if there are any benchmarks out in the public, which
> could give some insight into how well BIND 9 scales with multithreading?
> I've tried looking on this list, and googling, but haven't found anything
> yet.
> To be a bit more specific - I'm not sure what a good option for server
> hardware would be for a recursive DNS server. On one hand, the Sun (ok,
> Oracle) Niagara/Coolthreads architecture seems to work nicely enough, but
> maybe I'd be better off with some generic Intel/AMD based solution with
> fewer threads/cores but higher GHz per thread?
> Regards
> Eivind Olsen
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