BIND Threading and Performance

Diosko diosko at
Sat Mar 5 13:26:38 UTC 2005

This is an another question to continue...
I have BIND 9.2.4 compiled as 64-bit aplication... well everything seems 
fine, but - is it realy for BIND advantage?
It runs on Sun Netra T1, Solaris 9 64-bit.


"Bill Larson" <bind9 at> wrote in message 
news:d0aq1e$1tjc$1 at
>I am curious about performance of BIND9 running threaded.  I fully
> understand that the actual performance depends upon the threading
> library that the system uses.  What I am interested in is the potential
> benefits, and drawbacks, to running BIND multithreaded.
> From what I understand, a threaded version of BIND "should be able to
> do more than one thing at a time.  For instance, it could load a huge
> zone and answer queries while it's doing that."
> (, a
> response by Jim Reid about "Poor performance bind9")  Shouldn't a
> single CPU running a threaded version of BIND also perform similarly?
> Or, does threading really require multiple processors?
> Should a threaded version of BIND be more capable of responding to
> queries while performing zone transfers at the same time than a
> non-threaded version of BIND?  Should this capability (not performance)
> depend upon upon the number of processors?
> Are there other potential drawbacks to running a threaded version of
> BIND, besides the decreased performance?
> Bill Larson

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