Re: Oracle Benchmark Results for Different Hardware Configurations?

"HansF" <Fuzzy.Greybeard_at_gmail.com> wrote in message news:pan.2006.09.14.01.17.58.831121_at_gmail.com...
> On Thu, 14 Sep 2006 00:46:16 +0000, Bob Jones wrote:
>>>
>>> I often refer to the SpecMark info to get a general idea of the
>>> capability
>>> of a machine. Different SpecMarks for different machines - and similar
>>> specmarks give me similar responses in load handling ability regardless
>>> of
>>> vendor.
>>>
>>
>> Regardless of applications too? After all that is the most important
>> variable out of the bunch.
>
> Absolutely, regardless of applications. As a first step.
>
>
> The idea is to get a baseline for a known neutral application on one
> machine. Pick an application that has recognizable characteristics that
> may be applicable to the environment. Try to pick the application as
> being a specific subset of the application, perhaps such as adding two
> numbers.
>
> Do the same on a second machine.
>
>
> The second step is to get an idea of how many times your application adds
> two numbers. If it's a significant - and if the application is not
> resource-limited - one can easily extrapolate the impact of switching to
> the second machine, especially when holding all other factors constant.
>
> Iterate steps one and two with the next baseline application.
>
>
> When using other people's benchmarks, Step 1 always is to get the
> baselines. Step 2 is to see how relevant they are to your application and
> factor that into the usefulness of the specific benchmark.
>
> Just because a benchmark doesn't exactly match a specific scenario doesn't
> mean it's useless. It just means that a relevance adjustment has to be
> factored in. But until that relevance is determined, the benchmark (either
> formally or informally) can not be tossed. (IOW, it means one actually
> have to think.)
>
>

I could do that if time is an umlimited resource.

>
>
> Of course, one can potentially speed this process up entirely by using a
> larger baseline, such as the application itself. Or someone else's
> application that has characteristics that are known to be similar (at
> least in some areas) to the target
>

Then what do I need TPC for if I am going to use my own applications in my own environment.

> ... which is the intent of the TPCs. How well they do the job is a
> topic for another discussion ...
>
>

We are still talking about how useful TPC is, are we not? Received on Wed Sep 13 2006 - 20:58:38 CDT