Automated Delete and Rebuild of BIA Indexes

Question

We have several cubes that we will be loading into BIA that use non-cumulative key figures.  We have heard that it is necessary to periodically rebuild these indexes to keep the BIA performance high.  My question is how do we automate this process?  I don't see a process chain step or program for deleting an index. 
There is program RSDDTREX_AGGREGATES_FILL, but will this rebuild an index if it already exists?

Answer 1

Hi
Deleting and rebuilding the Cube indexes will improve the the loading performance.
It is very much required for for Full loads and Big loads.
When it comes to Delta loads or Small loads, then it depends upon the volume of data you are going to get.
Say like you are getting below 10000 records in daily delta's, then i think no need to delete and rebuild indexes.
If you know that you will get more than1 lack records, then it's good to go for deletion and rebuild of indexes.
Example : I load an Infocube once by week in full upload (3 millions of records) after deleting all the content of the previous week. Is it a good idea to add steps of deleting/rebuilding indexes in this case ?
In this case, it is required.
Note: 1) If you want you can test in your development system, run the same load first time by deleting indexes and second time without deleting the indexes. you will come to know the time difference.
2) Anyhow deletion and rebuilding of indexes step will take less than 2 or 3 mins time unless if you have huge volume of uncomressed data in your cube.
Regards,
Venkatesh.