Heikki Linnakangas <[EMAIL PROTECTED]> writes: > Let me describe this test case first: > - The test program calls RecordAndGetPageWithFreeSpace in a tight loop, > with random values.
What's the distribution of the random values, exactly? In particular, how do the request sizes compare to available free space per-page? The design intent for FSM was that we'd not bother to record pages that have less free space than the average request size, so as to (usually) avoid the problem of uselessly searching a lot of entries. I can't tell whether your test case models that behavior at all. If it does then there may be something else that needs fixing. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers