Re: cluster test
От | Joachim Wieland |
---|---|
Тема | Re: cluster test |
Дата | |
Msg-id | 20070526171228.GA4313@mcknight.de обсуждение исходный текст |
Ответ на | Re: cluster test (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-patches |
On Sat, May 26, 2007 at 12:14:14PM -0400, Tom Lane wrote: > Curiouser and curiouser. You still get the indexscan as preferred if > you EXPLAIN the query after the regression tests complete, right? > Could you step through cost_seqscan and see how it's arriving at such > a high value? Ok... I figured it out... When I was doing the guc patch I modified my startdb.sh script such that it passes settings on the command line to postmaster. There I changed seq_page_cost. I know that I have removed those settings on my laptop computer since then but I seem to have copied it here on my other machine at that time and so it started with a different seq_page_cost... *blushing*... Sorry for the noise... Interesting though that it only made a difference to the cluster test... Joachim
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