| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Greg Sabino Mullane <greg(at)turnstep(dot)com> |
| Cc: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Better default_statistics_target |
| Date: | 2007-11-14 05:00:06 |
| Message-ID: | 13872.1195016406@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
Greg Sabino Mullane <greg(at)turnstep(dot)com> writes:
> Per a recent bug in which the planner can behave very differently at <
> 100, and accounting for the fact that analyze is still plenty fast on
> today's systems even at a tenfold increase, attached is a patch to
> change default_statistics_target from 10 to 100.
This is not happening without a whole lot more evidence (as in, more
than zero) to back up the choice of value.
regards, tom lane
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