Alvaro Herrera wrote:
Glen Parker wrote:
The trouble now is, I don't see how to reset the statistics. My
assumption was that vacuum did it, but that appears to be false. How
does autovacuum do it? Can I do it with SQL?
Huh, reset what statistics? Autovacuum does not reset anything. What
statistics are you using? The number of dead tuples _should_ show as
zero on the stat system after a vacuum, certainly.
pg_stat_user_tables.[n_tup_ins|n_tup_upd|n_tup_del]. Hmm maybe I'm
doing this all wrong then. Is there a way to find the estimated dead
tuples from SQL, the same number autovacuum looks at?
-Glen
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