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Autonomic caching for in memory data grid query processing

  • US 9,251,209 B2
  • Filed: 03/15/2012
  • Issued: 02/02/2016
  • Est. Priority Date: 03/15/2012
  • Status: Expired due to Fees
First Claim
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1. A method for autonomic caching in an in memory data grid (IMDG), the method comprising:

  • receiving from a client of the IMDG a request for a primary query in the IMDG;

    monitoring resource utilization in the IMDG;

    associating the primary query with a previously requested sub-query related to the primary query in response to the monitored resource utilization falling below a threshold value indicating available resource utilization, wherein associating the primary query with the previously requested sub-query comprises determining that a sub-query uses a portion of a result set from a previously requested primary query and mapping the previously requested primary query to the sub-query, wherein the previously requested sub-query is associated with the primary query in reference to fields of the primary query upon which the sub-query is based;

    directing the sub-query concurrently with a directing of the primary query without waiting to receive a request for the sub-query from the client in response to the monitored resource utilization falling below the threshold value; and

    ,caching query results of the sub-query subsequent to a completion of the primary query.

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