Return-Path: Delivered-To: apmail-hadoop-mapreduce-dev-archive@minotaur.apache.org Received: (qmail 48653 invoked from network); 13 Oct 2009 06:14:55 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 13 Oct 2009 06:14:55 -0000 Received: (qmail 28767 invoked by uid 500); 13 Oct 2009 06:14:54 -0000 Delivered-To: apmail-hadoop-mapreduce-dev-archive@hadoop.apache.org Received: (qmail 28699 invoked by uid 500); 13 Oct 2009 06:14:54 -0000 Mailing-List: contact mapreduce-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-dev@hadoop.apache.org Delivered-To: mailing list mapreduce-dev@hadoop.apache.org Received: (qmail 28663 invoked by uid 99); 13 Oct 2009 06:14:53 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 Oct 2009 06:14:53 +0000 X-ASF-Spam-Status: No, hits=-10.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 13 Oct 2009 06:14:51 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 4B52E234C046 for ; Mon, 12 Oct 2009 23:14:31 -0700 (PDT) Message-ID: <458665196.1255414471307.JavaMail.jira@brutus> Date: Mon, 12 Oct 2009 23:14:31 -0700 (PDT) From: "Hemanth Yamijala (JIRA)" To: mapreduce-dev@hadoop.apache.org Subject: [jira] Created: (MAPREDUCE-1099) Setup and cleanup tasks could affect job latency if they are caught running on bad nodes MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Setup and cleanup tasks could affect job latency if they are caught running on bad nodes ---------------------------------------------------------------------------------------- Key: MAPREDUCE-1099 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1099 Project: Hadoop Map/Reduce Issue Type: Bug Components: jobtracker Affects Versions: 0.20.1 Reporter: Hemanth Yamijala We found cases on our clusters where a setup task got scheduled on a bad node and took upwards of several minutes to run, adversely affecting job runtimes. Speculation did not help here as speculation is not used for setup tasks. I suspect the same could happen for cleanup tasks as well. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.