"Peter Koczan" <pjkoczan(at)gmail(dot)com> writes:
> A quick perusal of the other "notify interrupt" connections shows 13032 in
> the Send-Q column. They all got into this state at the same time.
That's far too much data to be a notify message, or even a small number
of notify messages. Is it possible that the client's failed to collect
hundreds of notify events?
But in any case this clearly lets the backend off the hook. The problem
is on the client side: it's not reading the data.
regards, tom lane