Re: Stress my CPU's

PL/SQL or Java program that performs calculations, calls functions, updates data over and over and over and over.... Use dbms_scheduler or dbms_jobs to kick of the programs at random intervals Have one session update data that another session wants to read

Robertson Lee - lerobe wrote:
> Hi,
>
> Oracle 10.2.0.3
> AIX 6.1
>
> I have been asked to do some stress testing and it is causing me
> stress ;-)
>
> I need to really hammer the CPU's on the box as we want to test
> dynamically allocating CPU's from another partition to handle the
> increased workload.
>
> I am having difficulty getting the CPU's maxed out or indeed to even
> use more than 2.
>
> I have been running cartesian joins with various hints (parellism,
> using hashes etc) but just cannot get the relevant amount of work
> generated. It tends to spike at about 80% on a couple of CPU's then
> the result set comes back after about 30 secs and CPU useage then
> obviously drops. This is a T & D server with 16 CPU's on it. Are there
> any clever tricks out there I can use to simulate a full on workload??
>
> TIA
>
> Lee

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