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Programmable streaming data processor for database appliance having multiple processing unit groups

  • US 7,577,667 B2
  • Filed: 09/18/2003
  • Issued: 08/18/2009
  • Est. Priority Date: 09/18/2002
  • Status: Expired due to Fees
First Claim
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1. An asymmetric data processor comprising:

  • a first group of nodes comprising one or more host processors, each host comprising a memory, a network interface, and one or more Central Processing Units (CPUs), wherein each host accepts and responds to queries for data, and transforms such queries into one or more jobs;

    a second group of nodes comprising a plurality of Job Processing Units (JPUs), wherein each JPU comprises;

    a memory, for storing data;

    a network interface, for receiving data and instructions;

    a streaming data interface, for receiving data from a streaming data source;

    one or more general purpose CPUs, for responding to requests from at least one host computer in the first group, and to requests from other JPUs in the second group; and

    one or more Programmable Streaming Data Processors (PSDPs) configured to perform filtering functions directly on data received from the streaming data interface, each PSDP thus performing initial processing on a set of data; and

    a network connecting the nodes within each group and between the two groups; and

    wherein a JPU at the second group of nodes is configured to receive jobs from one or more nodes in the first group, perform work requested by the jobs, and generate a result based on the work.

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