| From: | "Gunnar \"Nick\" Bluth" <gunnar(dot)bluth(at)pro-open(dot)de> |
|---|---|
| To: | Petr Praus <petr(at)praus(dot)net> |
| Cc: | Marcos Ortiz <mlortiz(at)uci(dot)cu>, pgsql-performance(at)postgresql(dot)org, klaussfreire(at)gmail(dot)com, jeff(dot)janes(at)gmail(dot)com |
| Subject: | Re: Re: Increasing work_mem and shared_buffers on Postgres 9.2 significantly slows down queries |
| Date: | 2012-11-06 20:17:59 |
| Message-ID: | 50997077.1020500@pro-open.de |
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| Lists: | pgsql-performance |
Am 06.11.2012 21:08, schrieb Petr Praus:
>
> 2MB: http://explain.depesz.com/s/ul1
> 4MB: http://explain.depesz.com/s/IlVu
> 10MB: http://explain.depesz.com/s/afx3
> 12MB: http://explain.depesz.com/s/i0vQ
>
See the change in the plan between 10MB and 12MB, directly at top level?
That narrows the thing down quite a bit.
Though I wonder why this didn't show in the original plans...
--
Gunnar "Nick" Bluth
RHCE/SCLA
Mobil +49 172 8853339
Email: gunnar(dot)bluth(at)pro-open(dot)de
__________________________________________________________________________
In 1984 mainstream users were choosing VMS over UNIX. Ten years later
they are choosing Windows over UNIX. What part of that message aren't you
getting? - Tom Payne
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