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Is the data cache hit rate important for analyzing the performance of a BW system?

April 26, 2017analyzing cache Data hit PERFORMANCE rate system

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Is the data cache hit rate important for analyzing the performance of a BW system?

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The data cache hit rate alone is not enough to analyze the performance of a BW system. You must also consider the absolute I/O accesses (transaction DB50). In addition, the area that is occupied temporarily should not exceed the size of the data cache.