From owner-freebsd-hackers@FreeBSD.ORG  Wed Jul  6 01:08:25 2011
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6A767106566B
	for <freebsd-hackers@freebsd.org>; Wed,  6 Jul 2011 01:08:25 +0000 (UTC)
	(envelope-from jhellenthal@gmail.com)
Received: from mail-gx0-f182.google.com (mail-gx0-f182.google.com
	[209.85.161.182])
	by mx1.freebsd.org (Postfix) with ESMTP id 21DFA8FC0C
	for <freebsd-hackers@freebsd.org>; Wed,  6 Jul 2011 01:08:24 +0000 (UTC)
Received: by gxk28 with SMTP id 28so3147471gxk.13
	for <multiple recipients>; Tue, 05 Jul 2011 18:08:24 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=sender:date:from:to:cc:subject:message-id:references:mime-version
	:content-type:content-disposition:content-transfer-encoding
	:in-reply-to; bh=EIrtuydpJlBhkTjodsGQk3FASDGAQTDvjUzEuZZTu0A=;
	b=rEn3hKYSP8y/6UJdswcG2M9pyq5dxzyaA2O7Eo++pIFc59Mk9LE5cUCQNurjvndox8
	WYwv92vNwjW9qFfnBK6aftWT0TTG6+KfpKTbk1wHb6HLLpZlMYZ7FiZdiGAgRIJbQ/OE
	HAQFmjZe0/jE+lWtjM67i+rKfQqvSrqWgW8qk=
Received: by 10.236.76.167 with SMTP id b27mr8846636yhe.336.1309914504223;
	Tue, 05 Jul 2011 18:08:24 -0700 (PDT)
Received: from DataIX.net (adsl-99-181-128-71.dsl.klmzmi.sbcglobal.net
	[99.181.128.71])
	by mx.google.com with ESMTPS id v4sm5235127yhm.76.2011.07.05.18.08.22
	(version=TLSv1/SSLv3 cipher=OTHER);
	Tue, 05 Jul 2011 18:08:23 -0700 (PDT)
Sender: "J. Hellenthal" <jhellenthal@gmail.com>
Received: from DataIX.net (localhost [127.0.0.1])
	by DataIX.net (8.14.5/8.14.5) with ESMTP id p6618K2Y087090
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Tue, 5 Jul 2011 21:08:20 -0400 (EDT) (envelope-from jhell@DataIX.net)
Received: (from jhell@localhost)
	by DataIX.net (8.14.5/8.14.5/Submit) id p6618JJx087089;
	Tue, 5 Jul 2011 21:08:20 -0400 (EDT) (envelope-from jhell@DataIX.net)
Date: Tue, 5 Jul 2011 21:08:19 -0400
From: Jason Hellenthal <jhell@DataIX.net>
To: Sergey Kandaurov <pluknet@gmail.com>
Message-ID: <20110706010819.GB58614@DataIX.net>
References: <20110705224609.GA93031@freebsd.org>
	<CAE-mSO+heEhkVW_-hafSh5_4qOo_dYNUTjrrJt13=CnW4-+4wg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <CAE-mSO+heEhkVW_-hafSh5_4qOo_dYNUTjrrJt13=CnW4-+4wg@mail.gmail.com>
Cc: Alexander Best <arundel@freebsd.org>, freebsd-hackers@freebsd.org
Subject: Re: strange 'vmstat -z' output
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Jul 2011 01:08:25 -0000



On Wed, Jul 06, 2011 at 04:40:54AM +0400, Sergey Kandaurov wrote:
> On 6 July 2011 02:46, Alexander Best <arundel@freebsd.org> wrote:
> > hi there,
> >
> > i'm seeing the following with 'vmstat -z' on CURRENT, running on amd64:
> >
> > ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
> > 128 Bucket:            1048,      0,     150,       0,    1650,12746,   0
> >
> > ...how can the number of failures be greater than the number of requests?
> 
> Here REQ is the total number of successful allocations, not just requests.
> 

I think he is refering to "FAIL" column not REQ.