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

From: Erik Jones <ejones(at)engineyard(dot)com>
To: Kevin Kempter <kevink(at)consistentstate(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: query to find out # of buffer hits vs. # of disk reads ?
Date: 2009-01-16 23:45:31
Message-ID: 749A76C4-D425-4B55-9337-AD1D02E9DF01@engineyard.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
Support, Scalability, Reliability
866.518.9273 x 260
Location: US/Pacific
IRC: mage2k

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