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To: =?ISO-8859-1?Q?=22Alban_M=E9dici_=28NetCentrex=29=22?=
	<amedici@fr.netcentrex.net>
Cc: pgsql-benchmarks@postgresql.org, pgsql-performance@postgresql.org
Subject: Re: [PERFORM] stats on cursor and query execution troubleshooting 
In-reply-to: <4166542E.2020809@fr.netcentrex.net> 
References: <4163C5C3.3030304@fr.netcentrex.net>
	<25576.1097072199@sss.pgh.pa.us>
	<4166542E.2020809@fr.netcentrex.net>
Comments: In-reply-to =?ISO-8859-1?Q?=22Alban_M=E9dici_=28NetCentrex=29=22?=
	<amedici@fr.netcentrex.net>
	message dated "Fri, 08 Oct 2004 10:47:42 +0200"
Date: Fri, 08 Oct 2004 09:55:56 -0400
Message-ID: <11894.1097243756@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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=?ISO-8859-1?Q?=22Alban_M=E9dici_=28NetCentrex=29=22?= <amedici@fr.netcentrex.net> writes:
> Thanks for your repply,  but I still don"t understand why the statistic
> logs   :
> !       0/0 [0/0] filesystem blocks in/out
> it told me there is no hard disk access, I'm sure there is,

Complain to your friendly local kernel hacker.  We just report what
getrusage() tells us; so if the number is wrong then it's a kernel bug.

			regards, tom lane