At a recent Gartner event, I spoke with an analyst - he shall remain nameless - who feigned surprise that anyone from the data warehousing world would want to talk to him about information life cycle management (ILM): "The content management people have adopted an ILM discipline to control growth, the application archiving business is growing at double digits, and yet every time I speak to someone from data warehousing, they want to brag about how big their warehouse is. You guys seem to be the last holdout of the 'size matters' camp!"

In a way, he was right. While rampant data warehouse growth is increasing both storage and storage management costs and (probably more importantly) reducing the performance of the applications that depend on the warehouse, I hear most warehouse owners talking about moving from five terabytes to 10 terabytes as if conceding to "tera-flation" was their only option.

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