[dns-operations] BIND performance difference between RHEL 6.4 and FreeBSD 7

Doug Barton dougb at dougbarton.us
Wed Apr 23 21:14:30 UTC 2014

On 04/23/2014 01:14 PM, Robert Edmonds wrote:
> Doug Barton wrote:
>> What's your goal? If your research shows that FreeBSD is a better platform
>> for BIND, why is the answer not "Then use that?"
> Except the graph doesn't show that FreeBSD is a clearly better platform
> for BIND.  According to the graph, RHEL doesn't drop any queries at all
> up until 180 Kq/s, at which point FreeBSD is dropping ~5000 q/s.

Yeah, I find that result highly suspect. There are a few other problems 
with the whole discussion, which is why I asked the OP what his goals 
are. If RHEL really is performing that well, and the OP needs to use 
RHEL for other reasons, then he has the answer.

If the OP thinks that he's going to be getting more than 180k qps on a 
regular basis he has more difficult things to consider. For one, FreeBSD 
7 is more than a year past EOL at this point, so even if the RHEL qps 
numbers are right (which is highly suspect) if he really wants to 
compare FreeBSD as a platform he should be using 9 at least.

... and to Jared's point, I agree that there are serious problems with 
FreeBSD, I left the project some time ago in part because I don't agree 
with the direction that they've been going. But the underlying 
technology is still sound for the most part, and if it works for a given 
use case it's worth considering.


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