Large Queue Size?

#1

1) Give a description of the problem
I got these messages yesterday. What does it mean? See attached image.

Large%20Queue%20Size
Large Queue Size.jpg599×543 43.5 KB

#2

This suggests a piston is getting a lot of events in a short time, and not keeping up processing them.

Do you know why so many events are going to that piston?

#3

Those power plugs are very chatty. I’ve changed the threshold to 15W before triggering an event, but I still get a lot of triggers.