Re: Common slow query reasons - help with a special log

Daniel Cristian Cruz <danielcristian(at)gmail(dot)com> wrote:

> Hi all,
>
> I'm trying to figure out some common slow queries running on the server, by
> analyzing the slow queries log.
>
> I found debug_print_parse, debug_print_rewritten, debug_print_plan, which are
> too much verbose and logs all queries.
>
> I was thinking in something like a simple explain analyze just for queries
> logged with log_min_duration_statement with the query too.
>
> Is there a way to configure PostgreSQL to get this kind of information, maybe
> I'm missing something? Is it too hard to hack into sources and do it by hand? I
> never touched PostgreSQL sources.

Consider auto_explain, it's a contrib-modul, see
http://www.postgresql.org/docs/9.1/interactive/auto-explain.html

Andreas
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