The adhmon shows in the Data Streams page, opens can only reach to about 500000, although the client subscribes for a million or more. The client also gets a lot of status messages
Text: "F6: Cannot Preempt Item"
Text: "F7: Item Preempted")
So that even though the normalRequests can increase, but data stream opens can only stay to about 500000. The Interactive Provider is a C++ application with RFA.