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v4.0
    v4.0

    Real-time Process

    One UQL sentence can either run as real-time process, or background task. Ultipa's task mechanism helps users to control the running status of the engine and make real-time adjustments to the computing resources.

    Non-algorithm commands and algorithms that adopt streaming return (i.e. return clause is used in algo() command) both run as process in real time.

    Show Real-time Process

    Returned table name: _top
    Returned table header: process_id | process_uql | duration (the id, UQL statement and duration (second) of the task)

    Syntax:

    // To show all real-time processes in the current Ultipa instance
    top()
    

    Stop Real-time Process

    Syntax:

    // To kill all real-time processes in the current Ultipa instance
    kill("*")
    
    // To kill a certain real-time process in the current Ultipa instance
    kill(<process_id>)
    
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