This paper describes the final results of an assessment of the scalability of an NT Cluster architecture for very large Telecommunications Call Detail Record (CDR) databases 1 . The IBM DB2 DBMS was used on top of four standard Windows NT multi-processor computers to investigate the data warehousing capabilities of such an off-the-shelf solution. First a description of the experiment case and experiment set up is given. Next the results of the experiments are described. The paper ends with a conclusion on the manageability, robustness and scalability of the NT Cluster architecture for very large CDR stores.
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