| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Josh Berkus <josh(at)agliodbs(dot)com>, Mark Wong <markwkm(at)gmail(dot)com>, Greg Smith <gsmith(at)gregsmith(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Revisiting default_statistics_target |
| Date: | 2009-06-07 16:53:55 |
| Message-ID: | 1244393635.15799.49.camel@ebony.2ndQuadrant |
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| Lists: | pgsql-hackers |
On Sun, 2009-06-07 at 12:13 -0400, Tom Lane wrote:
> In any case, what we seem to have here is evidence that there are some
> cases where the new default value of default_statistics_target is too
> high and you can get a benefit by lowering it. I'm not sure we should
> panic about that. Default values ought to be compromises. If people
> only ever change the default in one direction then it's probably not a
> very good compromise. We know that there are applications for which
> 100 is still too low, so maybe now we have got the pain spread out
> roughly evenly...
I'm certainly happy with 100 as the default.
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support
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