From owner-freebsd-performance@FreeBSD.ORG Thu Dec 20 17:10:49 2007 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0D84C16A418 for ; Thu, 20 Dec 2007 17:10:49 +0000 (UTC) (envelope-from biancalana@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.182]) by mx1.freebsd.org (Postfix) with ESMTP id B51F613C46B for ; Thu, 20 Dec 2007 17:10:48 +0000 (UTC) (envelope-from biancalana@gmail.com) Received: by py-out-1112.google.com with SMTP id u77so307570pyb.3 for ; Thu, 20 Dec 2007 09:10:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=Gt5I63zUr+odf6cqKRQDYPhdWS7kwjkFOCb2TpAKmbk=; b=Txcfa8GP+N3T/HU9Golrzq3TkGllFGBskWk1Qoa0FUKNZmf5ifUTnfnRKcuafTUZMwo3Sj21gxj43lRAZArISNSdOy0F8sxQ1jrYYe4J4Hmlwkk2Lz0vXkkccf/mmpZNv1riI9LW/04Owqnv3zXpRG289iiSrfTZQfj8EeLUipE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ndE60yQOxAhOShYOg0ISRnN9MVnYO0OcV5YUj0zMGEut3pbi5IHL8ss+Rcat4c5i3W2+2jMZEUo9yDDK3xe03tJ3HW7EfH/g02xnDec/UBJfyVNWd29MVznjGi21C7yyP51jva+Z+3Vo6NaDwXzkq8vicz5xLTvNUJSpNByrPcs= Received: by 10.65.214.2 with SMTP id r2mr420486qbq.62.1198170647508; Thu, 20 Dec 2007 09:10:47 -0800 (PST) Received: by 10.64.184.9 with HTTP; Thu, 20 Dec 2007 09:10:47 -0800 (PST) Message-ID: <8e10486b0712200910v32ecbfa5h72fb0dc2b82a1009@mail.gmail.com> Date: Thu, 20 Dec 2007 15:10:47 -0200 From: "Alexandre Biancalana" To: "=?ISO-8859-1?Q?Dennis_Kj=E6r_Jensen?=" In-Reply-To: <476A9AB9.7040801@signout.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <8e10486b0712191109n3d21b02cyf5183ee0cd01d8ce@mail.gmail.com> <476A9AB9.7040801@signout.dk> Cc: freebsd-performance@freebsd.org Subject: Re: Bad performance when accessing a lot of small files X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2007 17:10:49 -0000 On 12/20/07, Dennis Kj=E6r Jensen wrote: > Alexandre Biancalana wrote: > > > > Increase the dirhash maxmem > I have 'sysctl -w vfs.ufs.dirhash_maxmem=3D268435456' (256Mb)in my > rc.local on a (maildir) fileserver here > This is a zfs filesystem, by the way I raise this limit as suggested. I let you know Thank you!