From owner-freebsd-fs@freebsd.org  Tue May 17 12:24:10 2016
Return-Path: <owner-freebsd-fs@freebsd.org>
Delivered-To: freebsd-fs@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4D385B3FC11
 for <freebsd-fs@mailman.ysv.freebsd.org>; Tue, 17 May 2016 12:24:10 +0000 (UTC)
 (envelope-from lexa@lexa.ru)
Received: from mx3.lexa.ru (ns503534.ip-198-27-68.net [198.27.68.102])
 by mx1.freebsd.org (Postfix) with ESMTP id 3193D1FF2
 for <freebsd-fs@freebsd.org>; Tue, 17 May 2016 12:24:09 +0000 (UTC)
 (envelope-from lexa@lexa.ru)
Received: by mx3.lexa.ru (Postfix, from userid 66)
 id 4750C224A66; Tue, 17 May 2016 08:24:09 -0400 (EDT)
Received: from [193.124.130.166] (unknown [193.124.130.166])
 by home-gw.lexa.ru (Postfix) with ESMTP id DC9661790
 for <freebsd-fs@freebsd.org>; Tue, 17 May 2016 15:21:07 +0300 (MSK)
Subject: Re: ZFS performance bottlenecks: CPU or RAM or anything else?
To: freebsd-fs@freebsd.org
References: <8441f4c0-f8d1-f540-b928-7ae60998ba8e@lexa.ru>
 <f87ec54a-104e-e712-7793-86c37285fdaa@internetx.com>
From: Alex Tutubalin <lexa@lexa.ru>
Message-ID: <16e474da-6b20-2e51-9981-3c262eaff350@lexa.ru>
Date: Tue, 17 May 2016 15:21:08 +0300
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.1.0
MIME-Version: 1.0
In-Reply-To: <f87ec54a-104e-e712-7793-86c37285fdaa@internetx.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/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: <https://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 17 May 2016 12:24:10 -0000

On 5/17/2016 3:11 PM, InterNetX - Juergen Gotteswinter wrote:
> Raidz is your Problem, go for Mirrors

Raidz2 will survive two (any) drives failure, while mirrored stripe will 
not.

So, if it is possible to increase raidz2 performance by faster CPU or 
RAM I'll go this route

Alex