Joe Lester <joe_lester(at)sweetwater(dot)com> writes:
> And it's common for the clients to stay running for days at a time. I'd
> say the average length of a connection is 3 days.
Uh-huh. Can you do anything to increase that?
Another possibility for slowing the leakage rate (pending a real fix)
is to decrease the size of your shared memory segment, ie, reduce
shared_buffers and the other shared-memory sizing parameters as much
as you can without killing performance.
regards, tom lane