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 D45AED03C for ; Wed, 26 Dec 2012 06:30:56 +0000 (UTC) Received: (qmail 1739 invoked by uid 500); 26 Dec 2012 06:30:51 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 1494 invoked by uid 500); 26 Dec 2012 06:30:51 -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 1466 invoked by uid 99); 26 Dec 2012 06:30:50 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Dec 2012 06:30:50 +0000 X-ASF-Spam-Status: No, hits=2.4 required=5.0 tests=HTML_FONT_FACE_BAD,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.214.174] (HELO mail-ob0-f174.google.com) (209.85.214.174) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Dec 2012 06:30:44 +0000 Received: by mail-ob0-f174.google.com with SMTP id ta14so7635190obb.19 for ; Tue, 25 Dec 2012 22:30:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=6UdffLI4g92daUx02IS+enEArUGfkNKOIzIB5NtwIi4=; b=IiQrjzb5BmW/2py0RV+NASsBT/qQt+a4c4C0IE5x8P1HQrDBBMsCrwUCvP4Fk+kdGP MWy12qr2iM6iWm+RxQUbwU5uC0uthGr7kAzfllQLk+Ox9sJV7O3hwz8u/9fpTE7HorWR 1Rjmfjd6A5epOA+etULSrJdqpkZ8IiImej3uVX8XeZMvRc+9QtB9OFnuxQrbuh8MTAgJ B6LqGVhiW2k2DJoWZZzEfE26eqnaha5tC6OpOomUUueeefiFDHaCVqOkR8XGKDypz9Cn OPLFSx4NA0kkrMKxyk5wOAOC7ctaBy8zyO0PxZ2XQ3oh0H4tNPHk1d4uSxy5RKM8psnr xhBQ== MIME-Version: 1.0 Received: by 10.182.12.101 with SMTP id x5mr21567605obb.47.1356503423815; Tue, 25 Dec 2012 22:30:23 -0800 (PST) Received: by 10.76.0.228 with HTTP; Tue, 25 Dec 2012 22:30:23 -0800 (PST) In-Reply-To: <50D99D23.9030902@gmail.com> References: <50D99D23.9030902@gmail.com> Date: Tue, 25 Dec 2012 22:30:23 -0800 Message-ID: Subject: Re: Map Shuffle Bytes From: Rishi Yadav To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=f46d04446909b68eea04d1bb9044 X-Gm-Message-State: ALoCoQkke54/APOu317wiRxpdENFwFCsddBLQ5yfHZDK688GHATKnCXDKcQ6kBZ+USfM0ZOBj933 X-Virus-Checked: Checked by ClamAV on apache.org --f46d04446909b68eea04d1bb9044 Content-Type: text/plain; charset=ISO-8859-1 Shuffled bytes go to reducers not mappers and the inbuilt counter for that is "Reduce Shuffle Bytes". I am not sure how you can implement user defined java counter here because this phase is in between map and reduce. Thanks and Regards, Rishi Yadav (o) 408.988.2000x113 || (f) 408.716.2726 InfoObjects Inc || http://www.infoobjects.com *(Big Data Solutions)* *INC 500 Fastest growing company in 2012 || 2011* *Best Place to work in Bay Area 2012 - *SF Business Times and the Silicon Valley / San Jose Business Journal 2041 Mission College Boulevard, #280 || Santa Clara, CA 95054 On Tue, Dec 25, 2012 at 4:33 AM, Eduard Skaley wrote: > Hello guys, > > I need a counter for shuffled bytes to the mappers. > Is there existing one or should I define one myself ? > How can I implement such a counter? > > Thank you and happy Christmas time, > Eduard > --f46d04446909b68eea04d1bb9044 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
=A0Shuffled bytes go to reducers not mappers and the inbui= lt counter for that is "Reduce Shuffle Bytes".=A0

<= div style>I am not sure how you can implement user defined java counter her= e because this phase is in between map and reduce.

Thanks and Regards,

Rishi= Yadav

(o) 408.988.2000x113 || =A0(f) 408.716.2726

InfoObjects= Inc ||=A0http://= www.infoobjects.com=A0(Big Data Solutions)

INC 500 Fastest gro= wing company in 2012 || 2011

Be= st Place to work in Bay Area 2012 -=A0SF Business Times and the Silicon Valley / San Jose Business Journa= l

2041 Mission College Boulevard, #280 ||=A0Santa Clara, CA 95054= =A0




On Tue, Dec 25, 2012 at 4:33 AM, Eduard = Skaley <e.v.skaley@gmail.com> wrote:
Hello guys,

I need a counter for shuffled bytes to the mappers.
Is there existing one or should I define one myself ?
How can I implement such a counter?

Thank you and happy Christmas time,
Eduard

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