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v4.0
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    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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