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COMPUTER SYSTEM

  • US 20170039263A1
  • Filed: 06/18/2014
  • Published: 02/09/2017
  • Est. Priority Date: 06/18/2014
  • Status: Active Grant
First Claim
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1. A computer system, comprising:

  • a plurality of computers; and

    a management computer,each of the plurality of computers having a first processor, a first memory coupled to the first processor, and a first network interface coupled to the first processor,the management computer having a second processor, a second memory coupled to the second processor, and a second network interface coupled to the second processor,wherein a plurality of data stores are formed by using the plurality of computers in the computer system,wherein each of the plurality of data stores stores data obtained from a data source and having differing attributes,wherein the management computer has a request allocation unit configured to receive a data obtaining request for obtaining requested data from the plurality of data stores and determine at least one data store from which to obtain the requested data by analyzing the data obtaining request,wherein the management computer holds metadata management information including a time attribute of data stored in each of the plurality of data stores, andwherein the request allocation unit is configured to;

    refer to the metadata management information to select at least one candidate data store based on analysis results of the data obtaining request in a case of receiving the data obtaining request including the time attribute of the requested data;

    determine whether the requested data can be obtained from the at least one candidate data store;

    determine at least one data store to which to issue a request for obtaining the requested data based on the determination results; and

    issue the request to the at least one determined data store.

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