Re: Index Scans become Seq Scans after VACUUM ANALYSE

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От Bruce Momjian
Тема Re: Index Scans become Seq Scans after VACUUM ANALYSE
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Msg-id 200204172141.g3HLfhb06119@candle.pha.pa.us
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Ответ на Re: Index Scans become Seq Scans after VACUUM ANALYSE  (Michael Loftis <mloftis@wgops.com>)
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Michael Loftis wrote:
> As far as the 'planner benchmark suite' so we cans tart gathering more 
> statistical data about what costs should be, or are better at, that's an 
> excellent idea.

People with different hardware have different random page costs,
clearly.  Even different workloads affect it.  Added to TODO:
* Add utility to compute accurate random_page_cost value

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


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