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From: Robert Lor <Robert.Lor@Sun.COM>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Tatsuo Ishii <ishii@sraoss.co.jp>
Cc: pgsql-hackers@postgresql.org
Cc: pgsql-performance@postgresql.org
Subject: Re: Sun Donated a Sun Fire T2000 to the PostgreSQL
Date: Fri, 21 Jul 2006 08:11:58 -0700
Message-ID: <44C0EEBE.3030707@sun.com> (raw)
In-Reply-To: <21889.1153489365@sss.pgh.pa.us>
References: <20060617.101521.95879771.t-ishii@sraoss.co.jp>
	<10226.1150511655@sss.pgh.pa.us>
	<20060617.111838.39487910.t-ishii@sraoss.co.jp>
	<20060713.180234.45872055.t-ishii@sraoss.co.jp>
	<8669.1153422118@sss.pgh.pa.us>
	<44C088C8.9050303@sun.com>
	<21889.1153489365@sss.pgh.pa.us>

Tom Lane wrote:

>Those numbers look a bit suspicious --- I'd expect to see some of the
>LWLocks being taken in both shared and exclusive modes, but you don't
>show any such cases. You sure your script is counting correctly?
>  
>
I'll double check to make sure no stupid mistakes were made!

>Also, it'd be interesting to count time spent holding shared lock
>separately from time spent holding exclusive.
>  
>
Will provide that data later today.

Regards,
-Robert




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