From owner-freebsd-fs@FreeBSD.ORG  Thu Jul 21 21:49:39 2011
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 0F2F2106564A
	for <freebsd-fs@freebsd.org>; Thu, 21 Jul 2011 21:49:39 +0000 (UTC)
	(envelope-from ivoras@gmail.com)
Received: from mail-gw0-f54.google.com (mail-gw0-f54.google.com [74.125.83.54])
	by mx1.freebsd.org (Postfix) with ESMTP id C340F8FC13
	for <freebsd-fs@freebsd.org>; Thu, 21 Jul 2011 21:49:38 +0000 (UTC)
Received: by gwb15 with SMTP id 15so1458344gwb.13
	for <freebsd-fs@freebsd.org>; Thu, 21 Jul 2011 14:49:38 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=mime-version:sender:in-reply-to:references:from:date
	:x-google-sender-auth:message-id:subject:to:cc:content-type
	:content-transfer-encoding;
	bh=sSH75PAVFV3t3h2fQhSQocaSE/jtcszhNXVTLZ24X1k=;
	b=qIAHGVpAGuKK9gT0QAdnf2OVCvLCCS7Jzc2e4kaPAMFES4IGkcQLH2pNY+1tqUcFJq
	z46c4wgvIDsOJkfPEQ7hrtSNCEiyiGswCal9v0qjKq5D7nlTttUJx7xBjO353/ocMm3U
	N20dljLoolXp+TRAe8JOrI/tFPOxjmLGdZIEw=
Received: by 10.101.18.6 with SMTP id v6mr850850ani.39.1311284978128; Thu, 21
	Jul 2011 14:49:38 -0700 (PDT)
MIME-Version: 1.0
Sender: ivoras@gmail.com
Received: by 10.100.198.5 with HTTP; Thu, 21 Jul 2011 14:48:58 -0700 (PDT)
In-Reply-To: <20110721213645.GA74462@icarus.home.lan>
References: <j09hk8$svj$1@dough.gmane.org>
	<20110721213645.GA74462@icarus.home.lan>
From: Ivan Voras <ivoras@freebsd.org>
Date: Thu, 21 Jul 2011 23:48:58 +0200
X-Google-Sender-Auth: uqDgWxRAHHACoAwmF5IlEgUmF7g
Message-ID: <CAF-QHFXSuA1wUormMtYbDxz4okLP8AvTcZT5mU1ihN2anMD8Yw@mail.gmail.com>
To: Jeremy Chadwick <freebsd@jdc.parodius.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Cc: freebsd-fs@freebsd.org
Subject: Re: ZFS and large directories - caveat report
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
	<mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Jul 2011 21:49:39 -0000

On 21 July 2011 23:36, Jeremy Chadwick <freebsd@jdc.parodius.com> wrote:

> [session]
> session.save_path =3D "/var/tmp/php_sessions"
> session.gc_maxlifetime =3D 900
> session.gc_probability =3D 25
> session.gc_divisor =3D 100
>
> With the above settings, roughly 1 out of every 4 times (25%) the PHP
> interpreter is executed it will reap old files in save_path. =C2=A0So in =
your
> case you'd want to adjust gc_probability and gc_maxlifetime (the idea
> being to make PHP reap sessions more aggressively).

Yes, but no. Simply suppose my 4 million files are the result of 25%
reaping frequency.