From owner-freebsd-fs@FreeBSD.ORG Sat Aug 2 08:01:52 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6254F156 for ; Sat, 2 Aug 2014 08:01:52 +0000 (UTC) Received: from mail-la0-x236.google.com (mail-la0-x236.google.com [IPv6:2a00:1450:4010:c03::236]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E07C42FA8 for ; Sat, 2 Aug 2014 08:01:51 +0000 (UTC) Received: by mail-la0-f54.google.com with SMTP id hz20so3955735lab.27 for ; Sat, 02 Aug 2014 01:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=JI3/rYabd0eeitrIYlO7Q7MJ1BR0CN4IQI4PV6Ct5+A=; b=B4exuJlUsBw4jyMDllMEgv4kGI8mibNX8Y9R8fjOivr6n3veiLkFewN7cYjEMwFjfc SWgqAqZVh59IxH6z3eTDWqv8HWZXw42NioyXDFZATZMOpu+8XS3hkcPxGACMGLwzg6kg wyCRiPD3uOaIryC91lb7H8cXQ/JUpJUwDAUgY3VUkmvOp1uTQIpkq8amthMWcP/2As96 1UxAQnHG9ordLjKYKaw0eLVbo9PVhEIZDG/qB2J1KCAk3sLeKIrqY1r81xXHaHOydLPv pFGxGa0YN4ahi/68kzWmdMCT8yY4MIZw/rR2+v+QCHtzgu1ruNA0nikyj8r0p41T1G/x RQww== X-Received: by 10.152.19.1 with SMTP id a1mr1628516lae.64.1406966508944; Sat, 02 Aug 2014 01:01:48 -0700 (PDT) Received: from localhost ([91.225.200.106]) by mx.google.com with ESMTPSA id n1sm17021215lbs.0.2014.08.02.01.01.47 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 02 Aug 2014 01:01:48 -0700 (PDT) Date: Sat, 2 Aug 2014 08:01:46 +0000 From: Mikolaj Golub To: Mike Tancsa Subject: Re: HAST slowness ? Message-ID: <20140802080144.GA2123@gmail.com> References: <53DAB322.1050703@sentex.net> <20140801183005.GA3286@gmail.com> <53DBEC15.2040406@sentex.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53DBEC15.2040406@sentex.net> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Aug 2014 08:01:52 -0000 On Fri, Aug 01, 2014 at 03:35:49PM -0400, Mike Tancsa wrote: > Are there any good hast tuning guides beyond the wiki you recommend ? I am not aware of any. > Should anything be tuned beyond the defaults ? I suppose the defaults are good for most of the cases, still you might consider experimenting with replication and compression modes. And as usual, before tuning you have to identify the bottleneck. -- Mikolaj Golub