Re: Statistics Collector not collecting server activities

Le 31/03/2010 08:41, Gnanakumar a écrit :
> Hi,
>
>
>
> Even though I've enabled statistics collector in our server, it is not
> collecting statistics, and because of this autovacuum is also not running as
> expected.
>
>
>
> PostgreSQL version 8.2
>
>
>
> Parameters enabled related to this are:
>
> # - Query/Index Statistics Collector -
>
>
>
> #stats_command_string = on
>
> #update_process_title = on
>
>
>
> #stats_start_collector = on
>
>
>
>
> #stats_block_level = off
>
> #stats_row_level = off
>
> stats_block_level = on
>
> stats_row_level = on
>
> #stats_reset_on_server_start = off
>
>
>
> # - Statistics Monitoring -
>
>
>
> #log_parser_stats = off
>
> #log_planner_stats = off
>
> #log_executor_stats = off
>
> #log_statement_stats = off
>
>
>
> I'm always getting zero value for all the tables.
>
>
>
> select pg_stat_get_tuples_inserted((select oid from pg_class where relname =
> 'mytable'));
>
> select pg_stat_get_tuples_updated((select oid from pg_class where relname =
> 'mytable'));
>
> select pg_stat_get_tuples_deleted((select oid from pg_class where relname =
> 'mytable'));
>
>

If the stats collector was disabled before, did you restart PostgreSQL?
if you did restart, you should drop the # in front of
"stats_start_collector = on" and restart once again PostgreSQL.

--
Guillaume.
http://www.postgresqlfr.org
http://dalibo.com