Re: query to find out # of buffer hits vs. # of disk reads ?

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От Erik Jones
Тема Re: query to find out # of buffer hits vs. # of disk reads ?
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Msg-id 749A76C4-D425-4B55-9337-AD1D02E9DF01@engineyard.com
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Ответ на query to find out # of buffer hits vs. # of disk reads ?  (Kevin Kempter <kevink@consistentstate.com>)
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On Jan 14, 2009, at 8:47 AM, Kevin Kempter wrote:

> Hi all;
>
> Anyone know what system catalogs I need to query to find out # of
> disk reads
> and # of memory / buffercache reads ?

See blks_hit and blks_read on the pg_stat_database view.

Erik Jones, Database Administrator
Engine Yard
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