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Re: Optimizer(?) off by factor of 3 ... ? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Optimizer(?) off by factor of 3 ... ?
Date
Msg-id 18859.1013480112@sss.pgh.pa.us
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In response to Re: Optimizer(?) off by factor of 3 ... ?  ("Marc G. Fournier" <scrappy@hub.org>)
Responses Re: Optimizer(?) off by factor of 3 ... ?  ("Marc G. Fournier" <scrappy@hub.org>)
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I'm trying to work out how the planner arrived at the numbers you're
showing; the hashjoin cost estimate seems a little lower than I'd
expect.  Are you using nonstandard values for any of the planner cost
factors?  (cpu_operator_cost, etc)  How about sort_mem?
        regards, tom lane

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