The following counters are relevant to the policy engine hub:
The average time difference between when an item is taken from the allocation queue and when it is returned to the completion queue after analysis.
The average time difference between when an item is taken from the completion queue and when it is finished in the hub.
The number of events awaiting completion acknowledgement from the source.
The number of client applications passing events to the hub.
The number of items in the input queue waiting to be pre-processed.
The rate at which items are being added to the hub input queue.
'1' if the hub is memory throttling.
'2' if the hub is event count throttling.
'0' if no throttling.
The maximum number of items the hub will accept before throttling or failing items.
The item count at which the hub resumes normal operation after the high watermark has been reached.
The average time difference between when an item arrives in the input queue and when it is finally removed from the completion queue.
The number of items currently being completed.
The number of items currently being preprocessed.
The number of items failed by throttling in 'Fail' mode - not applicable if in 'Wait' mode.
The number of items failed by event timeout.
The total number of items that have failed analysis.
The number of items successfully analyzed.
The number of items passed to the hub for analysis.
The maximum data size (bytes the hub will accept before throttling or failing items).
The data size (bytes at which the hub resumes normal operation after the high watermark has been reached).
The rate at which items are being pre-processed before being analyzed by a policy engine.
The number of items in all the input queues.
The data size (bytes) of all the items in the hub, that is, the total memory allocated to all hub input queues. This value is the basis for the HighWaterMarkMB and LowWaterMarkMB hub registry values.
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