PERFORMANCE
TUNING
200.
What
are the data load tuning one can do?
 Load
balance on different servers
 Indexes
on source tables
 Use
fixed length files if data is loaded from flat files and put the file
on the application server
 Use
content (SAP delivered) extractor as much as possible
 Use
“PSA and Data target in parallel” option in the InfoPackage
 Start
several InfoPackages parallel with different selection options
 Buffer
the SID number ranges when lot of data is loaded at once
 Load
Master Data before loading Transaction Data
 Watch
out the ABAP code in transfer and Update rules – This might slow
performance
201.
What
are the general tuning guidelines?
 Archive
and delete old data
 Use
line item dimensions for large dimensions 
 Use
MultiProviders to parallel query on the basic InfoCubes
 Use
the BW statistics InfoCube to monitor performance
 Reporting
authorizations slow the performance
 Web
reporting is faster than BEx reporting
 Use
the aggregate hierarchies to minimize the roll-up time
 Use
parallel upload and activation of ODS objects
 Disable
the BEx reporting flag if ODS is not used for reporting
202.
Ways
to improve the performance 
 Define
as many dimensions as possible.
 Create
aggregates
 Check
and define Line Item Dimension
