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Management of stream operators with dynamic connections

  • US 9,183,107 B2
  • Filed: 03/05/2013
  • Issued: 11/10/2015
  • Est. Priority Date: 12/12/2012
  • Status: Expired due to Fees
First Claim
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1. A system for processing a stream of tuples, comprising:

  • a plurality of processing elements to receive a stream of tuples, the processing elements operating on one or more computer processors, each processing element having one or more stream operators;

    a monitor, wherein the monitor determines a presence of a dynamic connection between a first stream operator and a second stream operator, wherein the dynamic connection allows introduction of one or more additional stream operators without modifying an operator graph of the one or more stream operators, wherein the first stream operator is from a first application instance and the second stream operator is from a second application instance; and

    a stream manager, wherein the stream manager is configured to;

    determine, in response to the monitor determining an absence of the dynamic connection between the first stream operator and the second stream operator, whether an upstream stream operator from the dynamic connection transmits to another active stream operator;

    deactivate the upstream stream operator in response to the absence of the dynamic connection.

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