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Re: huge execution time difference with almost same plan - Mailing list pgsql-hackers

From Tom Lane
Subject Re: huge execution time difference with almost same plan
Date
Msg-id 14625.1094486936@sss.pgh.pa.us
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In response to Re: huge execution time difference with almost same plan  (Tatsuo Ishii <t-ishii@sra.co.jp>)
Responses Re: huge execution time difference with almost same plan  (Gaetano Mendola <mendola@bigfoot.com>)
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Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> BTW, in 8.0 table spaces allow a table and an index to be placed on
> different disk devices, which may improve the performance. Is it
> possible that planner accounts for this in the future.

I'm not sure how we could model it in any useful way ...
        regards, tom lane

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