[GENERAL] FAQ: how to read EXPLAYN ANALYZE and act upon

2008-09-17 Thread Ivan Sergio Borgonovo
The subjects says it all. I'm looking for a tutorial that will teach me how to read explain analyze and maybe point me to some solutions (rewriting the query, adding some indexes, tune postgres.conf...). I notice I HUGE difference reordering join. Are there guidelines to reorder joint too?

Re: [GENERAL] FAQ: how to read EXPLAYN ANALYZE and act upon

2008-09-17 Thread Rodrigo E. De León Plicet
On Wed, Sep 17, 2008 at 9:43 AM, Ivan Sergio Borgonovo [EMAIL PROTECTED] wrote: The subjects says it all. A couple of links that may be of use: http://pooteeweet.org/files/phpworks06/explaining_explain.pdf http://redivi.com/~bob/oscon2005_pgsql_pdf/OSCON_Explaining_Explain_Public.pdf Good

Re: [GENERAL] FAQ: how to read EXPLAYN ANALYZE and act upon

2008-09-17 Thread Greg Smith
On Wed, 17 Sep 2008, Ivan Sergio Borgonovo wrote: I'm looking for a tutorial that will teach me how to read explain analyze and maybe point me to some solutions (rewriting the query, adding some indexes, tune postgres.conf...). All of the EXPLAIN tutorials and tools I'm aware of are listed at