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Re: Any better plan for this query?.. - Mailing list pgsql-performance

From Tom Lane
Subject Re: Any better plan for this query?..
Date
Msg-id 1323.1242055438@sss.pgh.pa.us
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In response to Re: Any better plan for this query?..  (Dimitri <dimitrik.fr@gmail.com>)
Responses Re: Any better plan for this query?..  (Dimitri <dimitrik.fr@gmail.com>)
Re: Any better plan for this query?..  (Simon Riggs <simon@2ndQuadrant.com>)
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Dimitri <dimitrik.fr@gmail.com> writes:
> Anyone may explain me why analyze target may have so huge negative
> secondary effect?..

If these are simple queries, maybe what you're looking at is the
increase in planning time caused by having to process 10x as much
statistical data.  Cranking statistics_target to the max just because
you can is not necessarily a good strategy.

            regards, tom lane

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