[bind10-dev] auth testing

Jeremy C. Reed jreed at isc.org
Wed Sep 16 13:05:05 UTC 2009


On Wed, 16 Sep 2009, Shane Kerr wrote:

> Fantastic stuff!
> 
> Hopefully these scripts can be tidied up and used regularly to compare
> the latest versions of servers over time.

Yes, that is my plan. Today, I started cleaning up my steps for 
installation to compile so actually can be run to download and build with 
correct configure options and install the server software.

> "lshw" can give you an embarrassing amount of information about the
> hardware. It can be installed via "yum" on CentOS.

Yes, the output is 711 lines long. It says its a Supermicro X8STi with two 
Intel Xeon CPU E5520 @ 2.27GHz with 4GB memory.

> I got better results for CPU time by looking at the output of the
> "vmstat" command. It won't give you per-process values, but on a test
> like this we don't really care, since we are looking at a dedicated
> system.

Okay, I now save the vmstat output before I start the service and then 
after each step (start, dig, queryperf).

> > python-test	29812 qps	104184 kB	101%
> 
> You can get a lot better performance from Python using psyco. ;)

I will look at that compiler later.

> I think you should probably use resident size (RSS) rather than virtual
> size (VSZ).

Okay. (I will show in another email.)

Thanks for all the links. I will read them.

> How long did the test run? Maybe we need to let it loop a bit more.

Yes, I will next do longer tests so maybe 30 times longer (900,000 
queries).

> > My questions:
> > 
> > 1) Any types of tests you'd like me to run?
> 
> It might be nice to sign the zones, both with NSEC and NSEC3. Don't
> forget to turn on DNSSEC in queryperf if you do that.
> 
> IPv6 testing might also be nice.

Okay. Noted.



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