DATABASE SYSTEM IMPLEMENTATION PRIORITIZATION USING ROBUSTNESS MAPS
First Claim
1. A computer-implemented system comprising:
- logic that receives at least one robustness map of measured database system performance acquired during database execution in a predetermined range of runtime conditions and uses information from the at least one robustness map to prioritize potential changes that improve robustness of a database system implementation wherein landmarks in the at least one robustness map are operated upon as a robustness bug describing conditions under which a predetermined implementation of a database operator or query component degrades in a manner different from a predetermined expected manner.
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Abstract
Computer-implemented systems and associated operating methods take measurements and landmarks associated with robustness maps and perform tests evaluating the robustness of a database engine'"'"'s operator implementations and/or query components. The illustrative computer-implemented system comprises logic that receives one or more robustness maps of measured database system performance acquired during database execution in a predetermined range of runtime conditions and uses information from the robustness map or maps to prioritize potential changes that improve robustness of a database system implementation wherein landmarks in the robustness map or maps are operated upon as a robustness bug describing conditions under which a predetermined implementation of a database operator or query component degrades in a manner different from a predetermined expected manner.
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Citations
15 Claims
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1. A computer-implemented system comprising:
logic that receives at least one robustness map of measured database system performance acquired during database execution in a predetermined range of runtime conditions and uses information from the at least one robustness map to prioritize potential changes that improve robustness of a database system implementation wherein landmarks in the at least one robustness map are operated upon as a robustness bug describing conditions under which a predetermined implementation of a database operator or query component degrades in a manner different from a predetermined expected manner. - View Dependent Claims (2, 3, 4, 5)
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6. A computer-implemented system comprising:
logic that receives at least one robustness map of measured database system performance acquired during database execution in a predetermined range of runtime conditions and uses the at least one robustness map to identify and prioritize potential changes to a database system implementation and improve robustness with regard to a plurality of conditions including data characteristics. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. A computer-implemented method comprising:
prioritizing a database system comprising; receiving at least one robustness map of measured database system performance acquired during database execution in a predetermined range of runtime conditions; and using information from the at least one robustness map to prioritize potential changes that improve robustness of a database system implementation wherein landmarks in the at least one robustness map are operated upon as a robustness bug describing conditions under which a predetermined implementation of a database operator or query component degrades in a manner different from a predetermined expected manner. - View Dependent Claims (15)
Specification