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Stream processing with context data affinity

  • US 9,300,712 B2
  • Filed: 06/12/2015
  • Issued: 03/29/2016
  • Est. Priority Date: 08/01/2014
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving an event at a first computing node of a stream processing system, the stream processing system comprising a plurality of computing nodes, wherein each computing node of the stream processing system has installed a same stream processing topology of functional modules, wherein context data related to events received by the stream processing system is partitioned among the plurality of computing nodes, and wherein each partition of context data is stored in operational memory of each respective computing node;

    obtaining, by the first computing node of the plurality of computing nodes, context data related to the event from operational memory of the first computing node;

    processing, by the first computing node, an operation of a functional module of the stream processing topology using the context data obtained from the operational memory of the first computing node; and

    providing, to a subsequent functional module of the stream processing topology, a modified event according to the operation of the functional module of the stream processing topology.

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