| From: | "Luke Lonergan" <llonergan(at)greenplum(dot)com> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "Martijn van Oosterhout" <kleptog(at)svana(dot)org>, "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Automatically setting work_mem |
| Date: | 2006-03-22 16:19:40 |
| Message-ID: | C046B91C.1FC29%llonergan@greenplum.com |
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| Lists: | pgsql-hackers pgsql-patches |
Tom,
On 3/21/06 3:06 PM, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> The real problem we are facing with a whole lot of our optimization
> issues (not only sorting) is that it's not all that trivial to get
> credible experimental results that we can expect will hold up across
> a range of usage scenarios.
As proven by the qsort tests - point taken.
- Luke
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