Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 48192 invoked from network); 19 Jun 2009 00:38:21 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 19 Jun 2009 00:38:21 -0000 Received: (qmail 50432 invoked by uid 500); 19 Jun 2009 00:38:31 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 50340 invoked by uid 500); 19 Jun 2009 00:38:31 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 50325 invoked by uid 99); 19 Jun 2009 00:38:31 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 19 Jun 2009 00:38:31 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED 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; Fri, 19 Jun 2009 00:38:28 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 71594234C1E7 for ; Thu, 18 Jun 2009 17:38:07 -0700 (PDT) Message-ID: <150681110.1245371887463.JavaMail.jira@brutus> Date: Thu, 18 Jun 2009 17:38:07 -0700 (PDT) From: "dhruba borthakur (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Created: (HADOOP-6082) Elegant decommission of lighty loaded tasktrackers from a map-reduce cluster MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org Elegant decommission of lighty loaded tasktrackers from a map-reduce cluster ---------------------------------------------------------------------------- Key: HADOOP-6082 URL: https://issues.apache.org/jira/browse/HADOOP-6082 Project: Hadoop Core Issue Type: New Feature Components: mapred Reporter: dhruba borthakur Assignee: Namit Jain There is a need to elegantly move some machines from one map-reduce cluster to another. This JIRA is to discuss how to find lightly loaded tasktrackers that are candidates for decommissioning and then to elegantly decommission them by waiting for existing tasks to finish. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.