Re: PG Statistics - Mailing list pgsql-performance

From Steve Poe
Subject Re: PG Statistics
Date
Msg-id 1142296671.11790.28.camel@amd64-gentoo-laptop
Whole thread Raw
In response to PG Statistics  ("mcelroy, tim" <tim.mcelroy@bostonstock.com>)
List pgsql-performance
Tim,

When I have done ODBC load tests with stats_block_level enabled on (20
mins. per test), I've seen about 3-4% performance hit. Your mileage may
vary.

Steve Poe

On Mon, 2006-03-13 at 18:49 -0500, mcelroy, tim wrote:
> Good evening,
>
> Does anyone know how much of a performance hit turning
> stats_block_level and  stats_row_level on will incur?  Do both need to
> be on to gather cache related statistics?  I know the
> annotated_conf_80 document states to only turn them on for debug but
> if they're not that performance intensive I cannot see the harm.
>
> Thank you,
> Tim McElroy
>


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