Re: Regression testing (was Re: Performance issue)

2005-05-10 Thread Jim C. Nasby
On Tue, May 10, 2005 at 01:35:40PM -0500, Jonathan Noack wrote: > Sounds great! When do you begin? ;-) > > This has been proposed before and has been (to my knowledge) universally > accepted as a Good Idea. If you have the interest and time to devote to > it, I would urge you to work on it.

Re: Regression testing (was Re: Performance issue)

2005-05-10 Thread Bakul Shah
> This sounds somewhat similar to Solaris dtrace stuff? Dtrace can be a (very useful) component for collecting performance metrics. What I am talking about is a framework where you'd apply dtrace or other micro/system level performance tests or benchmarks on a regular basis for a variety of machi

Re: Regression testing (was Re: Performance issue)

2005-05-10 Thread Benjamin Krueger
* Petri Helenius ([EMAIL PROTECTED]) [050510 12:52]: > > This sounds somewhat similar to Solaris dtrace stuff? > > Pete This sounds more like a QA/Feedback process. dtrace isn't just a conglomeration of the usual performance metrics. It's closer to a total revamp of how you perform said metrics

Re: Regression testing (was Re: Performance issue)

2005-05-10 Thread Petri Helenius
This sounds somewhat similar to Solaris dtrace stuff? Pete Bakul Shah wrote: This thread makes me wonder if there is value in runing performance tests on a regular basis. This would give an early warning of any peformance loss and can be a useful forensic tool (one can pinpoint when some performan

Re: Regression testing (was Re: Performance issue)

2005-05-10 Thread Jonathan Noack
On 5/10/2005 10:18 AM, Bakul Shah wrote: This thread makes me wonder if there is value in runing performance tests on a regular basis. This would give an early warning of any peformance loss and can be a useful forensic tool (one can pinpoint when some performance curve changed discontinuously eve

Regression testing (was Re: Performance issue)

2005-05-10 Thread Bakul Shah
This thread makes me wonder if there is value in runing performance tests on a regular basis. This would give an early warning of any peformance loss and can be a useful forensic tool (one can pinpoint when some performance curve changed discontinuously even though at the time of change it may be

Re: Performance issue

2005-05-10 Thread Scott Long
Jonathan Noack wrote: On 5/9/2005 12:31 PM, Pete French wrote: 5.3 ships with SMP turned on, which makes lock operations rather expensive on single-processor machines. 4.x does not have SMP turned on by default. Would you be able to re-run your test with SMP turned off? I just ran a test here w