Data Warehouses Head For The Petabyte Barrier

March 27, 2003

Data warehouses with as much as 100 to 200 terabytes of raw data will be operational by next year, performing nearly 2,000 concurrent queries and occupying nearly 1 petabyte (1,000 terabytes) of disk space. In the same time period, transaction-processing databases will handle workloads of nearly 66,000 transactions per second.

Those predictions are in a new report from the Winter Corp. consulting firm, based on surveys of operators of some of the largest decision-support (data warehouse) and transaction-processing databases in the world. "We're moving into the area, in the next year or two, of petabyte systems," president Richard Winter says.

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