Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 3C46CDF55 for ; Sun, 26 Aug 2012 18:29:54 +0000 (UTC) Received: (qmail 48004 invoked by uid 500); 26 Aug 2012 18:29:49 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 47937 invoked by uid 500); 26 Aug 2012 18:29:49 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 47929 invoked by uid 99); 26 Aug 2012 18:29:49 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 26 Aug 2012 18:29:49 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FSL_RCVD_USER,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of mohitanchlia@gmail.com designates 209.85.210.176 as permitted sender) Received: from [209.85.210.176] (HELO mail-iy0-f176.google.com) (209.85.210.176) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 26 Aug 2012 18:29:44 +0000 Received: by iagt4 with SMTP id t4so7727947iag.35 for ; Sun, 26 Aug 2012 11:29:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=j1VADbYa8DwHWRguu2REpREoI8u5jwZ2jPy3uqrw70M=; b=O3OWYnLr7zL7WjgLyK3v/K6mbhDVLw2HVX/dnXAIVM34r6BV5IsZ21OWHmiUvOOZhe kdJf1nerZogqNRGtLGcSvb6m3e61aZpyDhJo7MvO5XCsg1ZCw+chc8W3+UyT9CpfedTi RMdr9FcFZBrLtgKi1+GZspt4uB8mvjFxagQXJ3ozL/aJnpMOXRr2Wr2Dg0v4wEQIpkDa Ynm2Chgdwuq51GBn1cq81vPTfywn8dexGMNq6zPiReWQoEk6irrSi7Haio/R9fvphPvd 1p0UruISN+mT3WpaL3vlCnwrwpA1TzrbS7AQNtOZmPMWQ5NXXVILjk75vE4jAxW8ijBb XcIg== MIME-Version: 1.0 Received: by 10.50.209.41 with SMTP id mj9mr8006121igc.23.1346005763831; Sun, 26 Aug 2012 11:29:23 -0700 (PDT) Received: by 10.64.39.12 with HTTP; Sun, 26 Aug 2012 11:29:23 -0700 (PDT) In-Reply-To: References: Date: Sun, 26 Aug 2012 11:29:23 -0700 Message-ID: Subject: Re: ethernet bonding / 802.3ad / link aggregation From: Mohit Anchlia To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=14dae9340afb6b377d04c82f63be X-Virus-Checked: Checked by ClamAV on apache.org --14dae9340afb6b377d04c82f63be Content-Type: text/plain; charset=ISO-8859-1 On Sun, Aug 26, 2012 at 10:59 AM, Koert Kuipers wrote: > Thanks! I will post results. What is the recommended way to measure it? (I > am on Centos 5.x) > Use iperf between the hosts that have bonded interface. > > On Sun, Aug 26, 2012 at 1:58 PM, Mohit Anchlia wrote: > >> >> >> On Sun, Aug 26, 2012 at 10:47 AM, Koert Kuipers wrote: >> >>> we are looking at channel bonding / link aggregation (2 x 1 Gbit/s) on >>> our hadoop slaves. >>> what is the recommended bonding mode? i found some references to mode 4 >>> (802.3ad, hardware based) and to mode 6 (balance-alb, software based) in >>> hadoop mailing lists. >>> thanks! koert >>> >> >> I have configured LACP before and seems to be the standard. Do post your >> results, in general don't expect to see 2 Gbps, you'll probably get around >> 1.5 Gbps or less depending on hardware vendor. >> > > --14dae9340afb6b377d04c82f63be Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Sun, Aug 26, 2012 at 10:59 AM, Koert Kuipers = <koert@tresata.com> wrote:
= Thanks! I will post results. What is the recommended way to measure it? (I = am on Centos 5.x)
=A0
Use iperf between the hosts that have bonded interface.

On Sun, Aug 26, 2012 at 1:58 PM, Mohit Anchlia <= span dir=3D"ltr"><mohitanchlia@gmail.com> wrote:


On Sun, Aug 26, 2012 at 10:47 AM, Koert Kuipers = <koert@tresata.com> wrote:
= we are looking at channel bonding / link aggregation (2 x 1 Gb= it/s) on our hadoop slaves.
what is the recommended bonding mode? i found some references to mode 4 (80= 2.3ad, hardware based) and to mode 6 (balance-alb, software based) in hadoo= p mailing lists.
thanks! koert
=A0
I have configured LACP before and seems to be the standard. Do post yo= ur results, in general don't expect to see 2 Gbps, you'll probably = get around 1.5 Gbps or less depending on hardware vendor.


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