On Wed, Jun 11, 2014 at 5:37 PM, Si Chen <sichen@xxxxxxxxxxxxxxxxxxxxxxxx> wrote: > The state is "idle". I don't have the state_change, but I will try to > collect it if it happens again. If they are idle, then the problem is probably with your application -- you're grabbing new connections and not closing them or reusing them. It's a very common problem. The 'query' when idle represents the last query run -- the database finished it and is sitting around. merlin