Reply-To: <gnanam@zoniac.com>
From: "Gnanakumar" <gnanam@zoniac.com>
To: "'Guillaume Lelarge'" <guillaume@lelarge.info>
Cc: <pgsql-admin@postgresql.org>
References: <007501cad09d$326fefc0$974fcf40$@com>
	<4BB2FA68.6060708@lelarge.info>
In-Reply-To: <4BB2FA68.6060708@lelarge.info>
Subject: Re: Statistics Collector not collecting server activities
Date: Wed, 31 Mar 2010 14:28:41 +0530
Organization: Zoniac Software Private Limited
Message-ID: <00b601cad0b0$5e713760$1b53a620$@com>
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
thread-index: AcrQpDz+3Yd3FIPGRHi0uuCnkY1d3QADAnyg
Content-Language: en-us

I=92m also seeing a weird thing.  If I do =91show =
stats_start_collector;=92 inside
psql, it says =91off=92.

I=92ve also restarted my server many times after making all the changes.

As per 8.2 doc,
http://www.postgresql.org/docs/8.2/interactive/runtime-config-statistics.=
htm
l, stats_start_collector is on by default.

-----Original Message-----
From: Guillaume Lelarge [mailto:guillaume@lelarge.info]=20
Sent: Wednesday, March 31, 2010 1:02 PM
To: gnanam@zoniac.com
Cc: pgsql-admin@postgresql.org
Subject: Re: [ADMIN] Statistics Collector not collecting server =
activities

Le 31/03/2010 08:41, Gnanakumar a =E9crit :
> Hi,
>=20
> =20
>=20
> 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.
>=20
> =20
>=20
> PostgreSQL version 8.2
>=20
> =20
>=20
> Parameters enabled related to this are:
>=20
> # - Query/Index Statistics Collector -
>=20
> =20
>=20
> #stats_command_string =3D on
>=20
> #update_process_title =3D on
>=20
> =20
>=20
> #stats_start_collector =3D on
>=20
> =20
>=20
>=20
> #stats_block_level =3D off
>=20
> #stats_row_level =3D off
>=20
> stats_block_level =3D on
>=20
> stats_row_level =3D on
>=20
> #stats_reset_on_server_start =3D off=20
>=20
> =20
>=20
> # - Statistics Monitoring -
>=20
> =20
>=20
> #log_parser_stats =3D off
>=20
> #log_planner_stats =3D off
>=20
> #log_executor_stats =3D off
>=20
> #log_statement_stats =3D off
>=20
> =20
>=20
> I'm always getting zero value for all the tables.
>=20
> =20
>=20
> select pg_stat_get_tuples_inserted((select oid from pg_class where =
relname
=3D
> 'mytable'));
>=20
> select pg_stat_get_tuples_updated((select oid from pg_class where =
relname
=3D
> 'mytable'));
>=20
> select pg_stat_get_tuples_deleted((select oid from pg_class where =
relname
=3D
> 'mytable'));
>=20
>=20

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 =3D on" and restart once again PostgreSQL.


--=20
Guillaume.
 http://www.postgresqlfr.org
 http://dalibo.com