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Computer product, request grouping apparatus, and request grouping method

  • US 7,788,370 B2
  • Filed: 11/20/2006
  • Issued: 08/31/2010
  • Est. Priority Date: 05/08/2006
  • Status: Expired due to Fees
First Claim
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1. A physical medium that stores therein a computer program that causes a computer to implement a request grouping method for grouping system requests in a system that processes a request from a client by sending and receiving the system requests among a plurality of servers in the system in a coordinated manner, the computer program causing the computer to execute:

  • maintaining request grouping rules for grouping a system request into a request group assigned for a common character string with respect to a name of the system request;

    creating call relation sets from the system requests sent and received among the servers and stored in the request history by projecting an invoking request and an invoked request of each system request;

    converting the call relation sets into inter-request group call relation sets by replacing all requests in each of the call relation sets with corresponding request groups according to the request grouping rules;

    deriving an inter-request group call relation pattern for the request group and a frequency of appearance of the inter-request group call relation pattern based on the inter-request group call relation sets, the inter-request group call relation pattern including a request group corresponding to the invoking request and a request group corresponding to the invoked request;

    calculating a rating value for rating the request groups based on the inter-request group call relation pattern derived;

    modifying the character string in the system request in the request grouping rules and assigning a new request group to a modified character string,updating the inter-request group call relation pattern based on new request grouping rules including the new request group; and

    determining an ending condition by comparing a rating value calculated for the updated inter-request group call relation pattern and a predetermined ending condition; and

    the modifying includes assigning, when different inter-request group call relation patterns derived are associated with the same request group in the request grouping rules, the new request group so that the inter-request group call relation patterns are segregated in different request groups.

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