Perfomance and the technical Configuration of the CPSA

Hello

We are running CPSA with a RAC configuration (all on one server), 11.5.10.2.

We have around 300 000 point org assignments (20 inventory orgs). Performance plan has been very slow sometimes (sometimes takes 5 hours to finish).

I noticed a lot of customers have 2 servers running (one for the transactional system) and the other for the planning server.

Can anyone tell if getting another server for the planning server is the recommended approach? Should use us a 64-bit Planner? We run Linux and noted the 64 engine bits of planning only is not supported for Linux (maybe we could get a different server with a different operating system that is supported for 64-bit planning).

What is the best way to get the best out of the centralized approach that we use currently (with CARS)? We have indicated that we can run the planning CAR engine in all cases (it must run separately in another simultaneous Manager unrelated to the RAC).

Any comments on the above would be greatly appreciated.

Thank you!

Hello

WRT to your questions

1. it is only limited by the amount of physical memory on your machine
2 64-bit Planner will give you no performance gain. In fact if you run the plan with the 32 bit job scheduler and planner of 64-bit on the same machine, then you will notice that the 64 bit version is still a bit slower (although hardly noticeable).
The main advantage of using the 64-bit version is:
1. ability to use large amounts of memory and thus execute plans big CPSA
2. the ability to have the plan to calculate a number high (for example, order sizes, usage, etc.)
3. it is difficult to determine what is the cause of your performance problem without looking at the program installation/data. Several factors can influence this. for example, options plan (constraint without constraint, decision, rules, etc), modifiers command combined with strong demand, the profile settings
Also, you mention an autonomy of 5 hours. For the Scheduler itself or that it also includes the phase of snapshot? If your performance problem is in the module itself, a faster processor will help on this side.

My recommendation is that you (as much as you seem to be still in test) is to ensure that you are on the last engine code to avoid any known performance problems. See the notes 252108.1.
If you are on the last code, so my next suggestion would be to log a service request with the support of your data. With your flat files MBP (see note 245974.1, section 4) support can test the performance of your plan on their machines.

Best regards
Geert

Tags: Oracle Applications

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