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Methods and apparatus for clustering and prefetching data objects

  • US 6,954,752 B2
  • Filed: 07/19/2001
  • Issued: 10/11/2005
  • Est. Priority Date: 07/19/2001
  • Status: Expired due to Fees
First Claim
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1. A method of managing data objects in a computer system, the method comprising the steps of:

  • maintaining a log of at least a portion of accesses to the data objects;

    determining from the maintained log at least one cluster comprised of data objects accessed at substantially similar times;

    storing the data objects comprising the at least one cluster in close proximity to one another in a memory;

    receiving a request for a data object in a cluster;

    determining from the log a probability that at least one other data object in the cluster may be subsequently requested; and

    in response to the probability being not less than a predetermined value, retrieving both the requested data object and the at least one other data object.

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