From owner-freebsd-questions@FreeBSD.ORG Thu Apr 14 13:33:09 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9E449106564A for ; Thu, 14 Apr 2011 13:33:09 +0000 (UTC) (envelope-from freebsd-questions@m.gmane.org) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mx1.freebsd.org (Postfix) with ESMTP id 55AA48FC13 for ; Thu, 14 Apr 2011 13:33:09 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QAMfT-0004Gh-01 for freebsd-questions@freebsd.org; Thu, 14 Apr 2011 15:33:07 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 Apr 2011 15:33:06 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 Apr 2011 15:33:06 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-questions@freebsd.org From: Ivan Voras Date: Thu, 14 Apr 2011 15:32:52 +0200 Lines: 8 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.12) Gecko/20101102 Thunderbird/3.1.6 In-Reply-To: X-Enigmail-Version: 1.1.2 Subject: Re: ZFS performance strangeness X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Apr 2011 13:33:09 -0000 On 12/04/2011 13:33, Lars Wilke wrote: > Now i upgraded one machine to 8.2R and i get very good write performance > over NFS but read performance drops to a ridiciously low value, around > 1-2 MB/s. While writes are around 100MB/s. The network is a dedicated If you don't get any answer here, try posting on the freebsd-fs @ freebsd.org list.