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IBM and Deutsche Telecom Announce Plans for 100 Terabyte Data Warehouse

Written By: M. Reed
Published On: December 15 1999

Event Summary

According to an announcement by International Business Machines on Thursday December 16, 1999, IBM is working with German telecommunications services company Deutsche Telekom to assemble the largest data warehouse in the world. When complete, the warehouse will contain up to 100 terabytes of customer and call records, to be used for Customer Relationship Management (CRM) applications. The warehouse will be built by T-Nova, Deutsche Telekom's systems integration subsidiary, and will use IBM's RS/6000 SP parallel processing servers and IBM's DB2 Universal Database. The customer expects to have 25 terabytes of data loaded by the third quarter of 2000.

Market Impact

As a point of reference, 100 terabytes is 109,951,162,777,600 bytes of data. Very few data warehouses have extended into the multi-terabyte range. The cost of the hardware associated with an effort of this scale is enormous. In addition, the largest cost of a warehouse is the manpower and processing required to actually load the transactional data into the warehouse. If this effort is successful, other large organizations may consider enterprise scale data warehouses of similar size. First Union Bank has already announced plans to increase the size of its customer data warehouse to 27 terabytes by early next year. As part of their efforts to convince clients to partner with them, IBM ran tests and set records for price/performance and power against one terabyte of user data on Windows NT using IBM DB2 Universal Database on a 32-node cluster of IBM's Netfinity servers during January of 1999. According to IBM, it exceeded Oracle's query speed against the same data by a factor of 89. DB2 Universal Database uses a cost-based optimizer to improve query speed using a variety of methods (i.e. I/O and CPU), and can route queries to summary tables to avoid costly join processing. IBM has invested a great deal to improve the power and scalability of DB2 Universal Database, and clearly has Oracle looking over its shoulder.

User Recommendations

Customers considering large-scale data warehouses should include IBM's DB2 Universal Database on a short list of databases to be considered. IBM has clearly made great strides in optimizing its product for multi-terabyte data stores. During the design phase, developers should take great care to make sure that their database design and technical architecture are highly scalable, since data warehouses almost always end up much larger than the customer expected.

 
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