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Data Mining - System Performance

Hello,

I am actually considered to implement a data mining Project in a client. But I have a doubt about the system performance. This kind of project demands a lot of resources of the SAP system?

Typically I will use one Cube or ODS to retrieve the data that I will use in my data mining model. The Cube / ODS will have about 6 millions registers for month and the granularity of the data is the hour. The data that I will retrieve come from the IS-Retail.

Can someone give some information about this subject.

Thanks

Best regards

Sérgio Pinto

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1 Answer

  • Posted on Feb 25, 2009 at 03:53 AM

    Data Mining is fine and can be implemented - things to watch out for :

    The performance of the model is different from the training time.

    Idealy you would train a model using the data ( which of course takes a lot of time ) and then use the same to give you answers...

    We have done some clustering analysis etc for our projects and it seems to be fine , but then the data volumes are far less than what you have specified - we used data at a highly aggregated level...

    Make sure that the model training happens in the background to avoid dialog timeouts - and also check your memory utilization to avoid SYSTEM_NO_ROLL issues...

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    • we had just about 2 to 300000 records and it went of quite quickly .. but then we also had a simple clustering model in place...

      I am not sure if performance of APD esp data mining is documented - but then a lot of SAP notes on APD performance tuning in general can be found...

      Edited by: Arun Varadarajan on Feb 25, 2009 7:59 PM

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