Return-Path: X-Original-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 28BF1E137 for ; Thu, 7 Mar 2013 06:03:03 +0000 (UTC) Received: (qmail 32373 invoked by uid 500); 7 Mar 2013 06:02:58 -0000 Delivered-To: apmail-hadoop-hdfs-user-archive@hadoop.apache.org Received: (qmail 32264 invoked by uid 500); 7 Mar 2013 06:02:57 -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 32257 invoked by uid 99); 7 Mar 2013 06:02:57 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Mar 2013 06:02:57 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of ashettia@hortonworks.com designates 209.85.160.50 as permitted sender) Received: from [209.85.160.50] (HELO mail-pb0-f50.google.com) (209.85.160.50) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Mar 2013 06:02:51 +0000 Received: by mail-pb0-f50.google.com with SMTP id up1so107609pbc.37 for ; Wed, 06 Mar 2013 22:02:31 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:from:content-type:message-id:mime-version:subject:date :references:to:in-reply-to:x-mailer:x-gm-message-state; bh=eVrun+S5HET4b8Dtnh/4/R3Rueh29I6mFQpRUoNnRCo=; b=TFpcVpyRuTENq3e8OOD8z6SfIVrFnJkYC+vBHM1J8DzfW+ZDnGjDjEEyaTLF63RIz9 cquC66MNvGdKf1N7lnaZszdUMYkbTay4k4vBLmKzvjDkUaPKZLmwYaAYqKY2Ua1mDjJf ybkdQscGokiSO3EB9eJmarW7a9DzFs+p2xiOG+JwQmGOWNs2msxOXaoTO4heEbkHNakZ sSr4CTWY/eLzoCEXXkQ/S/NFFTKcBwE/mvePxRKyM1AWSgUJ2wYiwkWYBed6GDzLZb0a p3pJEvWrm9yySMlnoOzAxPHlkYofq4xqcGmFb/VpOijF3GCj4JlMHe4zwBVtUmmQizSB fH6Q== X-Received: by 10.68.197.41 with SMTP id ir9mr52090247pbc.87.1362636151161; Wed, 06 Mar 2013 22:02:31 -0800 (PST) Received: from [192.168.1.17] (c-24-4-155-99.hsd1.ca.comcast.net. [24.4.155.99]) by mx.google.com with ESMTPS id f10sm944195paf.17.2013.03.06.22.02.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 06 Mar 2013 22:02:30 -0800 (PST) From: Abdelrhman Shettia Content-Type: multipart/alternative; boundary="Apple-Mail=_6052BFDE-B7BD-486B-A4E8-72DCA7130E7F" Message-Id: Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: mapred.max.tracker.failures Date: Wed, 6 Mar 2013 22:02:29 -0800 References: To: user@hadoop.apache.org In-Reply-To: X-Mailer: Apple Mail (2.1499) X-Gm-Message-State: ALoCoQnWqMbGE/mtuaQ1HMPlSnQyALxfVBgBI0ukKryTl9QLiVc8eU2fH3LzWOMmSlBMx0+cQiQj X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail=_6052BFDE-B7BD-486B-A4E8-72DCA7130E7F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Hi Mohit ,=20 This is The number of failed tasks in specified job after which the job = will not run on the task tracker. The job's tasks will no longer be = assigned to the task tracker. However, If the same task failed more than = 4 times , The job will fail regardless.=20 Hope this helps.=20 Thanks -Abdelrahman=20 On Mar 6, 2013, at 9:51 PM, Mohit Anchlia = wrote: > I am wondering what the correct behaviour is of this parameter? If = it's set to 4 does it mean job should fail if a job has more than 4 = failures? >=20 --Apple-Mail=_6052BFDE-B7BD-486B-A4E8-72DCA7130E7F Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=iso-8859-1 Hi Mohit , 

This is The number of failed tasks in specified job after which the job will not run on the task tracker. The job's tasks will no longer be assigned to the task tracker. However, If the same task failed more than 4 times , The job will fail regardless. 

Hope this helps. 

Thanks
-Abdelrahman 

On Mar 6, 2013, at 9:51 PM, Mohit Anchlia <mohitanchlia@gmail.com> wrote:

I am wondering what the correct behaviour is of this parameter? If it's set to 4 does it mean job should fail if a job has more than 4 failures?


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