Tom Lane wrote:
> Michael Fuhr <[EMAIL PROTECTED]> writes:
> > Further investigation shows that what really seems to be happening
> > in 8.3devel is that the statistics for shared tables are reset every
> > 15 seconds when autovacuum is enabled, which it is by default.  I
> > don't observe this phenomenon when autovacuum is disabled.
> 
> OK, so it's just that pgstat_vacuum_tabstat() gets run by autovacuum.
> So either form of Alvaro's patch should fix it.

Right.  Committed.

Thanks for the report!

-- 
Alvaro Herrera                          Developer, http://www.PostgreSQL.org/
"El miedo atento y previsor es la madre de la seguridad" (E. Burke)

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