Ed Loehr <eloehr@austin.rr.com> writes:
>> In the meantime, upping the number of buffers will at least postpone the
>> problem. But I'm worried that it may not solve it completely --- you
>> may still find that the error occurs after you've been running long
>> enough.
> Can I postpone/workaround the problem by periodic server restarts to reset
> the counts? Or is this a persistent thing across server restarts?
Yes, a postmaster restart would clean up the buffer reference counts.
I think there were also some less drastic code paths that would clean
them up --- you might try something as simple as deliberately inducing
an SQL error now and then, so that error cleanup runs.
regards, tom lane