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HIGHLY AVAILABLE MAIN MEMORY DATABASE SYSTEM, OPERATING METHOD AND USES THEREOF

  • US 20140244578A1
  • Filed: 02/26/2014
  • Published: 08/28/2014
  • Est. Priority Date: 02/26/2013
  • Status: Abandoned Application
First Claim
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1. A highly available main memory database system comprising:

  • a plurality of computer nodes comprising at least one computer node that creates a redundancy of the database system; and

    at least one connection structure that creates a data link between the plurality of computer nodes;

    whereineach of the computer nodes has at least one local non-volatile memory that stores a database segment assigned to the particular computer node, at least one data-processing component that runs database software to query the database segment assigned to the computer node and a synchronization component that redundantly stores a copy of the data of a database segment assigned to a particular computer node in at least one non-volatile memory of at least one other computer node; and

    upon failure of at least one of the plurality of computer nodes, at least the at least one computer node that creates the redundancy runs the database software to query at least a part of the database segment assigned to the failed computer node based on a copy of associated data in the local non-volatile memory to reduce latency upon failure of the computer node.

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