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Preferentially retaining memory pages using a volatile database table attribute

  • US 10,353,864 B2
  • Filed: 12/23/2014
  • Issued: 07/16/2019
  • Est. Priority Date: 03/26/2014
  • Status: Active Grant
First Claim
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1. A computer program product for managing a computerized database, the computer program product comprising a plurality of computer-executable instructions recorded in a non-transitory computer-readable media, wherein said instructions, when executed by at least one computer system, cause the at least one computer system to perform:

  • storing at least one respective database table volatility attribute for each of at least one database table of said computerized database, each database table volatility attribute expressing volatility of at least a portion of a respective database table of said computerized database, said volatility of at least a portion of a respective database table being a property of the respective database table that is a function of changes to data recorded in said at least a portion of the respective database table with respect to time;

    using the at least one database table volatility attribute corresponding to a first database table of said at least one database table to determine circumstances under which a page of data temporarily stored in memory of said at least one computer system and containing data of the first database table of said computerized database is paged out of said memory.

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