Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 CEDDBC0F7 for ; Thu, 20 Mar 2014 00:11:41 +0000 (UTC) Received: (qmail 47803 invoked by uid 500); 20 Mar 2014 00:11:32 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 47656 invoked by uid 500); 20 Mar 2014 00:11:31 -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 47648 invoked by uid 99); 20 Mar 2014 00:11:31 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Mar 2014 00:11:31 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of harsh@cloudera.com designates 209.85.223.172 as permitted sender) Received: from [209.85.223.172] (HELO mail-ie0-f172.google.com) (209.85.223.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 20 Mar 2014 00:11:26 +0000 Received: by mail-ie0-f172.google.com with SMTP id as1so103977iec.3 for ; Wed, 19 Mar 2014 17:11:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type; bh=oMadLcPWDkFRTlotwLuwjaYbLjvp2AwGyN0bOa1p2Zs=; b=WSfRYh7mrjBz1sQnU8pXgon+UImR8nQD1gBMfNRllBatHr6NvFRKUY5+oPOgOENB56 HvNO7EwEGsiBMCY9tXGIKEi4vHgKie0hBjNdxesayhv7OeMgROTW3TlzLNOippL1eypt GVzM5uvN2KL/qThmwDLJVQ+LFDGvz7lGS0KtwGIVm27rYvfRIhPgkHNJlvbZ83BZfAuw 5dXxQkRQh0YCbw7oMAAe/AjnerMTZbL1nBhd1DwutUrFgG61OPr2EeID78XVSJLC8ZHw 3DYBMXZSxOYc58cLYQ0vU23NW4H1PW0T2P/8J8h2Ux2zkEGZ4vt7POAqlo698Mn/uQgy qtgg== X-Gm-Message-State: ALoCoQlbvDB8TshHTw6S3gAVcjcu4bEWb/priH9GpzARZjsT9F6CTpz9/K8XHBjGwDC8ST1brwVz X-Received: by 10.50.62.104 with SMTP id x8mr27929427igr.37.1395274265611; Wed, 19 Mar 2014 17:11:05 -0700 (PDT) MIME-Version: 1.0 Received: by 10.50.61.97 with HTTP; Wed, 19 Mar 2014 17:10:45 -0700 (PDT) In-Reply-To: <1395257238.29087.YahooMailNeo@web141601.mail.bf1.yahoo.com> References: <1395257238.29087.YahooMailNeo@web141601.mail.bf1.yahoo.com> From: Harsh J Date: Thu, 20 Mar 2014 05:40:45 +0530 Message-ID: Subject: Re: The reduce copier failed To: "" , Mahmood Naderan Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org While it does mean a retry, if the job eventually fails (after finite retries all fail as well), then you have a problem to investigate. If the job eventually succeeded, then this may have been a transient issue. Worth investigating either way. On Thu, Mar 20, 2014 at 12:57 AM, Mahmood Naderan wrote: > Hi > In the middle of a map-reduce job I get > > map 20% reduce 6% > ... > The reduce copier failed > .... > map 20% reduce 0% > map 20% reduce 1% > map 20% reduce 2% > map 20% reduce 3% > > > Does that imply a *retry* process? Or I have to be worried about that > message? > > Regards, > Mahmood -- Harsh J