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Thread: What is driving port?

  1. #1
    Expert Member
    Join Date
    Oct 2006
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    209

    What is driving port?

    In Abinitio, What is driving port?

    NOTE : [This question was asked by a visitor]


  2. #2
    Expert Member
    Join Date
    Oct 2005
    Answers
    383

    Re: What is driving port?

    hi jobhelper


    When you set the sorted-input parameter of “JOIN” component to “In memory: Input need not be sorted”, you can find the driving port.

    Generally driving port use to improve performance in a graph.

    The driving input is the largest input. All other inputs are read into memory.

    For example, suppose the largest input to be joined is on the in1 port. Specify a port number of 1 as the value of the driving parameter. The component reads all other inputs to the join — for example, in0, and in2 — into memory.


    Default is 0, which specifies that the driving input is on port in0.

    Join also improves performance by loading all records from all inputs except the driving input into main memory.

    bye

    :)
    NEVER SAY DIE.

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