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Information Lifecycle Management 
In an operative BI system, the volume of data increases constantly. Constant changes to business and legal requirements mean that this data must be available for longer. As keeping a large volume of data in the system affects performance and increases administration efforts, we recommend that you follow a data aging strategy.
Advantages of a data aging strategy:
● Reduced costs of managing and saving data
● Improved performance of BI system
● Efficient storage of historic data for comprehensive enterprise data warehousing.
You have loaded data to your InfoProvider, possibly over a long period of time.
Information Lifecycle Management allows you to classify data according to how current it is and archive it or store it in near-line storage. We recommend that you archive data that you no longer need but cannot delete for legal reasons.