Hi @Matt Clarke Thanks for taking the time to answer my question and confirm that the size of the queued content doesn't include any archived content. I've taken a closer look at the status history of the connection (queue) over the past 24 hours and I can see that the nature of the data flowing in varies depending on the time of day. It seems that earlier in the day a large number of small flow files pass into the queue, but they can be processed rapidly. As the day goes on we start to see flow files of a much larger size. I think this is the explanation as to why the number of flow files decreases but the size of the data increases. This is something I hadn't expected until I looked at the status history closely. Thanks again for helping me get to the bottom of this! Richard ... View more