This article applies to all current versions of the hub probe.
For alarms that say
The queue 'data_engine' is 10 MB. Check the hub configuration.
The "queue is growing" alarm threshold can be changed.
The default size (10 MB) can be overridden by setting the 'queue_growth_size' variable in the hub section of the hub probe Raw Configuration. The keyword may need to be added if it does not already exist in the configuration file.
The value is in MB.
The following parameters can be set to alarm when a queue in the hub starts growing.
Specify the severity of the queue growth alarm.
Specify the size of the queue growth alarm.