Re: Geoserver-PostGIS performance problems

Vinícius Abrahão <vinnix.bsd@gmail.com>

From: Vinicius Abrahao <vinnix.bsd@gmail.com>

To: Merlin Moncure <mmoncure@gmail.com>

Cc: Maciek Sakrejda <m.sakrejda@gmail.com>, Riaan van den Dool <rvddool@csir.co.za>, Brett Walker <brett.walker@geometryit.com>, "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org>

Date: 2012-07-25T19:17:38Z

Lists: pgsql-performance

On Wed, Jul 25, 2012 at 3:45 PM, Merlin Moncure <mmoncure@gmail.com> wrote:
> On Tue, Jul 24, 2012 at 10:50 AM, Maciek Sakrejda <m.sakrejda@gmail.com> wrote:
>> This may be another issue of the problem discussed here:
>> http://postgresql.1045698.n5.nabble.com/avoid-prepared-statements-on-complex-queries-td4996363.html
>> (Kris Jurka explains the crux of it in that thread).
>>
>> Note that it seems the preparing/planning interaction was not the
>> poster's actual problem, but it may have been yours. As Tom Lane notes
>> in that thread, this should get better in 9.2.
>
> jdbc should get some blame too -- it's really aggressive about
> preparing queries.
>

indeed!
Is there any reason for that?