Daniel Stenberg wrote:
> I'm not aware of anyone having done such performance measurements on
> c-ares. If you end up doing some, it'd be very interesting to get to
> know the results!
I have used c-ares as a resolving library for my greylisting server
Gross. I did once some benchmarking with it, I quote myself:
> FYI, I just run some very non-scientific performance tests. grossd
> was running on a recently bought low end PC, and clients were run on
> the same server.
> 1 client doing 10000 queries: 10 seconds
> 5 clients doing 10000 queries each: 11.5 seconds
> 10 clients doing 10000 queries each: 13.5 seconds
> The last run means 100000 queries running a total of 500000
> dns-queries, as check-dns was enabled (of course, they were on the
> same ip address, which means that the results were cached on the
> resolving servers). With 10 parallel clients you get at least some
> 650 million messages a day, if your dns servers will cope the load.
> Rather impressing, mildly put.
Received on 2007-09-15