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Database computer system with application recovery and dependency handling read cache

  • US 5,870,763 A
  • Filed: 03/10/1997
  • Issued: 02/09/1999
  • Est. Priority Date: 03/10/1997
  • Status: Expired due to Term
First Claim
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1. In a database computer system having a non-volatile memory, a volatile main memory, and an application executing from the main memory, a computer-implemented method comprising the following steps:

  • defining an application object as encompassing an address space of the application;

    executing the application to change the address space;

    tracking whether the application object has any flush order dependencies with other objects;

    in an event that one or more dependencies exist, enforcing a flushing sequence among the application object and the other objects to resolve the flush order dependencies; and

    occasionally flushing the application object to the non-volatile memory in an atomic procedure to install changes to the address space, said flushing step being performed in compliance with the flushing sequence.

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