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Former Member

Recently, on a ramp up BPC 10 NW project, performance debugging came to the fore. This is how I took a look under the hood of report creation:

Firstly, we have to enable UJSTAT for the BPC Model concerned. Logon to BW and run program SPRO

Select SAP Reference IMG

Navigate down to Set Model Parameters, select the green tick

Capture Envireonment and Model parameters (Above)

Select New (Create) - Below and capture BPC_STATISTICS as the field name and turn them ON

You can now step into program UJSTAT

From here we can trace queries as below:

The query at the bottom of the screen is a simple report using Member and Children fuctionality. This hierarchical relationship within a dimension is known as multidimensional expression or MDX. The query at the top is simply returning BASE Level members from the dimension which is known as a RSDRI query.

This significant difference in performance eventually became a project show stopper on resource intensive, complex EPM reports.

Happy Developing.

Devon Abraham

Follow: @_Devon_Abraham

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