Sub_Pending Items

Description
This value indicates the current number of dataset tags queued in the subscriber's internal buffer waiting to be processed. It reflects real-time backpressure in the system when data arrives faster than the subscriber can process it.
Location
  • FactoryTalk Diagnostics Counter Monitor > System Diagnostics > localhost >
    FactoryTalk Linx Gateway
     MQTT Server > [Client ID] > [Dataset Name]
Value
  • Type: 64-bit signed integer
  • Source: This value is generated by the
    FactoryTalk Linx Gateway
     MQTT service.
  • Updates: This value updates dynamically based on data arrival rate and processing speed.
  • Reset: This value resets when you reset the service or restart the computer.
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