Frequency at which compression should be done

Hello Experts,
I have a process chain running in production which is scheduled twice on a daily basis. The service report provided us a recommendation to compress the data in the cubes which are a part of this process chain.
I would like to know at what frequency /intervals should I compress the requests.As in should I go on for Monthly/Weekly compression or should I be going for a compression each time the load is run?
The data load pattern on a daily basis is :
1st data load :around 50K records are loaded
2nd data load :around 3L records are loaded
4 mins difference b/w the 2 loads.
Could someone kindly provide some basic guideline on which I can proceed on this.
I have checked the sdn posts but have not been able to get an answer on the frequency at which compression should be done.
Regards
Dipali

Dear Dipali,
Please have a look at below points.
. You can schedule compression as part of a process chain.
Compressing one request takes approximately 2.5 ms per data record.
With non-cumulative InfoCubes, compression has an additional effect on query performance. With non-cumulative InfoCubes, the marker for non-cumulatives is also updated. This means that less data has to be read for a non-cumulative query which reduces the response time.If you perform compression for a non-cumulative InfoCube, the compression time (including the time to update the markers) is about 5 ms per data record
So, Take an acount of this step to Compres the Data. Go for a weekly basis...and when the load times are not running....also u can schedule in Back Ground Job as well..
Also,
For performance reasons, and to save space on the memory, compress a request as soon as you have established that it is correct and is not to be removed from the InfoCube.
Hope this helps u...
Best Regards,
VVenkat..

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