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SYSTEM AND METHOD FOR DISTRIBUTED DATABASE QUERY ENGINES

  • US 20150261831A1
  • Filed: 06/02/2015
  • Published: 09/17/2015
  • Est. Priority Date: 01/07/2013
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a gateway server configured to generate a plurality of partial queries from a database query for a database containing data stored in a distributed storage cluster that has a plurality of data nodes, and to construct a query result based on a plurality of intermediate results; and

    a plurality of worker nodes, wherein each worker node of the plurality of worker nodes is configured to process a respective partial query of the plurality of partial queries by scanning data related to the respective partial query and stored on at least one data node of the distributed storage cluster, and wherein each worker node of the plurality of worker nodes is further configured to generate an intermediate result of the plurality of intermediate results that is stored in a memory of that worker node.

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