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 B64E0D13F for ; Sun, 26 Aug 2012 17:58:50 +0000 (UTC) Received: (qmail 75839 invoked by uid 500); 26 Aug 2012 17:58:45 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 75756 invoked by uid 500); 26 Aug 2012 17:58:45 -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 75747 invoked by uid 99); 26 Aug 2012 17:58:45 -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 17:58:45 +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 17:58:40 +0000 Received: by iagt4 with SMTP id t4so7692010iag.35 for ; Sun, 26 Aug 2012 10:58:20 -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=OMG7yEOcwnhB6RtaqPl/A2ZJhd9cutRae+PU5+8tTVo=; b=SwE4cTMMVtiyIf474hm6FXrJ6cdWxO/UqtnyhSL6NnoD+PBvM+QCPI99Lka1mwdBSc H/6MKEpPyKbOc8FKPo8/Wi9DwAlVi+C+4TUBcgg6C8pk5PmFOCmYbBGW01Q39qCP3CHE i7QQCPhIARXiAUB8fdn7ivIzhfIZJxO4QWZDSzhtj0K2w/KIH1oYSLSmZuMPqSCE/vUd U7hRzFZehu1BWlA1a8sSesN1GrbyxZU02YKz6HqLHRi/dt6CcgAUCnNqMRu0t/Ws1F8n cAhxjYeFDGmU//kmrcmLpGPkkEpc72Y6hO8T6C7IILj7PNavL9O9ebLcIQQN+jyr2g+O mwJQ== MIME-Version: 1.0 Received: by 10.50.47.162 with SMTP id e2mr7946792ign.23.1346003900034; Sun, 26 Aug 2012 10:58:20 -0700 (PDT) Received: by 10.64.39.12 with HTTP; Sun, 26 Aug 2012 10:58:20 -0700 (PDT) In-Reply-To: References: Date: Sun, 26 Aug 2012 10:58:20 -0700 Message-ID: Subject: Re: ethernet bonding / 802.3ad / link aggregation From: Mohit Anchlia To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=14dae934036b53eea104c82ef4b6 X-Virus-Checked: Checked by ClamAV on apache.org --14dae934036b53eea104c82ef4b6 Content-Type: text/plain; charset=ISO-8859-1 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. --14dae934036b53eea104c82ef4b6 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

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.
--14dae934036b53eea104c82ef4b6--