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Cache Configuration in a Database System

  • US 20080071987A1
  • Filed: 04/11/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/20/2006
  • Status: Active Grant
First Claim
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1. A computer-implemented method for providing workload windows in a database system having at least one cache fragment, the method comprising:

  • collecting cache-efficiency-indicator values of an at least one cache fragment during operation of a database system over a period of time;

    providing approximation-function-parameter values for the collected, cache-efficiency-indicator values, an approximation function representing a relation between a cache-efficiency-indicator and size of a respective cache fragment;

    providing a set of workload windows based on the approximation-function-parameter values;

    providing workload-window information for the set of workload windows, the workload-window information including at least one approximation-function-parameter value representing each determined workload window; and

    storing the workload-window information for a comparison based on current, cache-efficiency-indicator values and the workload-window information.

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