Bruce Momjian <[EMAIL PROTECTED]> writes:
> Patch applied.  Thanks.

Wait a minute.   This patch changes the behavior so that
LockBufferForCleanup is applied to *every* heap page, not only the ones
where there are removable tuples.  It's not hard to imagine scenarios
where that results in severe system-wide performance degradation.
Has there been any real-world testing of this idea?

                        regards, tom lane

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