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* query to find out # of buffer hits vs. # of disk reads ?
@ 2009-01-14 16:47 Kevin Kempter <kevink@consistentstate.com>
2009-01-16 23:45 ` Re: query to find out # of buffer hits vs. # of disk reads ? Erik Jones <ejones@engineyard.com>
0 siblings, 1 reply; 2+ messages in thread
From: Kevin Kempter @ 2009-01-14 16:47 UTC (permalink / raw)
To: pgsql-admin
Hi all;
Anyone know what system catalogs I need to query to find out # of disk reads
and # of memory / buffercache reads ?
Thanks in advance
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: query to find out # of buffer hits vs. # of disk reads ?
2009-01-14 16:47 query to find out # of buffer hits vs. # of disk reads ? Kevin Kempter <kevink@consistentstate.com>
@ 2009-01-16 23:45 ` Erik Jones <ejones@engineyard.com>
0 siblings, 0 replies; 2+ messages in thread
From: Erik Jones @ 2009-01-16 23:45 UTC (permalink / raw)
To: Kevin Kempter <kevink@consistentstate.com>; +Cc: pgsql-admin
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
^ permalink raw reply [nested|flat] 2+ messages in thread
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2009-01-14 16:47 query to find out # of buffer hits vs. # of disk reads ? Kevin Kempter <kevink@consistentstate.com>
2009-01-16 23:45 ` Erik Jones <ejones@engineyard.com>
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