From: | Casey Allen Shobe <casey(at)shobe(dot)info> |
---|---|
To: | Виктор Егоров <vyegorov(at)gmail(dot)com> |
Cc: | Richard Huxton <dev(at)archonet(dot)com>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Fighting the planner >:-( |
Date: | 2013-02-01 22:03:34 |
Message-ID: | CAFmVg3jGRj1z5y53coARXouVXj6vje-QWCQD=mjLR8GJ65ognQ@mail.gmail.com |
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Lists: | pgsql-performance |
I'll get back to you on this Monday - I'm heading home for the week now.
However I was unable to adjust the statistics target using that command:
alter table opportunity.census_user set statistics 500;
ERROR: syntax error at or near "statistics"
LINE 1: alter table opportunity.census_user set statistics 500;
^
On Fri, Feb 1, 2013 at 4:55 PM, Виктор Егоров <vyegorov(at)gmail(dot)com> wrote:
> 2013/2/1 Casey Allen Shobe <casey(at)shobe(dot)info>:
> > Rowcounts are shown in the earlier paste link, but apparently I forgot to
> > include the census table - hewitt_1_0_factors_precalc_new has 4,135,890
> > rows, and census_user has 1846439 rows.
> >
> > Statistics target is the default at 100.
>
> I would try the following:
> ALTER TABLE hewitt_1_0_factors_precalc_new SET STATISTICS 1000;
> ALTER TABLE census_user SET STATISTICS 500;
> ALTER TABLE census_output SET STATISTICS 500;
> and analyzed them after. I hope I guessed ‘census_output’ name correctly.
>
> And could you kindly share the plan after:
> SET enable_nestloop TO off;
>
>
> --
> Victor Y. Yegorov
>
--
Casey Allen Shobe
casey(at)shobe(dot)info
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