On 24-08-2012 00:16, shenqw(at)163(dot)net wrote:
> Maybe this is a bug.
> if stats collector process don't product pg_stat_tmp/pgstat.stat file, the
> autovacuum launcher process will output those WARNING message?
>
It is possible but... Did you see any ERROR message(s) related to statistics
collector before those ones? To solver your problem, you can remove the
pgstat.stat file that it will be created again next time server starts. Of
course, you will loose the statistics, hence remember to VACUUM ANALYZE your
cluster.
--
Euler Taveira de Oliveira - Timbira http://www.timbira.com.br/
PostgreSQL: Consultoria, Desenvolvimento, Suporte 24x7 e Treinamento