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Dynamic rate heartbeating for inter-node status updating

  • US 8,667,126 B2
  • Filed: 12/03/2010
  • Issued: 03/04/2014
  • Est. Priority Date: 12/03/2010
  • Status: Active Grant
First Claim
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1. A computer system comprising:

  • a processing cluster including a plurality of physical or virtual processing nodes, the computer system comprising at least one processor for executing program instructions; and

    at least one memory coupled to the processor for executing the program instructions, wherein the program instructions are program instructions for determining node operating status among a cluster of the physical or virtual processing nodes, the program instructions comprisingprogram instructions for transmitting messages periodically according to a heartbeat rate among nodes in the cluster of nodes;

    program instructions for receiving the messages at the nodes and storing indications of communications delays for the messages determined from times of the receiving of the messages at the nodes;

    program instructions for computing statistics of the communications delay for the messages from the indications of communications delay;

    program instructions for adjusting parameters for node status monitoring according to the computed statistics; and

    program instructions for monitoring, at the nodes, the operational status of other ones of the nodes according to the indications of communications delay and the parameters.

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