ITAGAKI Takahiro wrote:
> I wrote:
> > I found that autovacuum launcher does not launch any workers in HEAD.
>
> The attached autovacuum-fix.patch could fix the problem. I changed
> to use 'greater or equal' instead of 'greater' at the decision of
> next autovacuum target.

I developed a different fix, which is possible due to the addition of
TimestampDifferenceExceeds to the TimestampTz API. (Thanks Tom).

It continues to work for me here, but please confirm that it fixes the
bug you reported -- I don't have a low-resolution platform handy.

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


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