Emil,
> -> Merge Left Join (cost=9707.71..13993.52 rows=1276 width=161)
> (actual time=164.423..361.477 rows=49 loops=1)
That would indicate that you need to either increase your statistical
sampling (SET STATISTICS) or your frequency of running ANALYZE, or both.
--
--Josh
Josh Berkus
Agl
Tom Lane wrote:
David Gagnon <[EMAIL PROTECTED]> writes:
explain analyse SELECT IRNUM FROM IR
INNER JOIN IT ON IT.ITIRNUM = ANY ('{1000, 2000}') AND
IT.ITYPNUM = 'M' AND IR.IRYPNUM = IT.ITYPNUM AND IR.IRNUM = IT.ITIRNUM
WHERE IRNUM = ANY ('{1000, 2000}') and IRYPNUM = 'M'
Alexander Stanier <[EMAIL PROTECTED]> writes:
> The database seems to fine to start with, but then as the load increases
> it seems to reach a threshold where the number of non-idle queries in
> pg_stat_activity grows heavily and we appear to get something similar to
> a motorway tail back with
We are having terrible performance issues with a production instance of
PostgreSQL version 7.4.5, but are struggling with which parameters in
the postgresql.conf to change.
Our database server is an Apple G5 (2 x 2GHz CPU, 2GB RAM). The
operating system is Mac OS X 10.3.
The database seems t
David Gagnon <[EMAIL PROTECTED]> writes:
> explain analyse SELECT IRNUM FROM IR
> INNER JOIN IT ON IT.ITIRNUM = ANY ('{1000, 2000}') AND
> IT.ITYPNUM = 'M' AND IR.IRYPNUM = IT.ITYPNUM AND IR.IRNUM = IT.ITIRNUM
> WHERE IRNUM = ANY ('{1000, 2000}') and IRYPNUM = 'M'
Those =ANY co
On Mon, 4 Jul 2005, David Gagnon wrote:
> Thanks .. I miss that FK don't create indexed ... since Primary key
> implicitly does ...
>
> I'm a bit surprised of that behavior thought, since it means that if we
> delete a row from table A all tables (B,C,D) with FK pointing to this
> table (A) must
On Mon, Jul 04, 2005 at 20:29:50 -0400,
David Gagnon <[EMAIL PROTECTED]> wrote:
> Thanks .. I miss that FK don't create indexed ... since Primary key
> implicitly does ...
>
> I'm a bit surprised of that behavior thought, since it means that if we
> delete a row from table A all tables (B,C,D