"Diehl, Jeffrey" <[EMAIL PROTECTED]> writes:
> Brick* implies 1334 tables

Hmm ... I wonder if the query is somehow holding onto a buffer pin for
the last block of each successively-accessed table?  Will look into it.

What -B (# of shared buffers) setting are you running the postmaster
with?  Try setting it to 1500 or more, if it's not already.

                        regards, tom lane

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