Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 66537 invoked from network); 20 Jun 2009 00:24:20 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 20 Jun 2009 00:24:20 -0000 Received: (qmail 36494 invoked by uid 500); 20 Jun 2009 00:24:30 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 36381 invoked by uid 500); 20 Jun 2009 00:24:30 -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 36151 invoked by uid 99); 20 Jun 2009 00:24:30 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 20 Jun 2009 00:24:30 +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; Sat, 20 Jun 2009 00:24:28 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id BC6AD29A0013 for ; Fri, 19 Jun 2009 17:24:07 -0700 (PDT) Message-ID: <1270491318.1245457447771.JavaMail.jira@brutus> Date: Fri, 19 Jun 2009 17:24:07 -0700 (PDT) From: "Tsz Wo (Nicholas), SZE (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Commented: (HADOOP-6096) Support task preemption in Capacity Scheduler In-Reply-To: <345916259.1245457447756.JavaMail.jira@brutus> 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 [ https://issues.apache.org/jira/browse/HADOOP-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722101#action_12722101 ] Tsz Wo (Nicholas), SZE commented on HADOOP-6096: ------------------------------------------------ See also [this example|https://issues.apache.org/jira/browse/HADOOP-5701?focusedCommentId=12700284&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12700284]. > Support task preemption in Capacity Scheduler > --------------------------------------------- > > Key: HADOOP-6096 > URL: https://issues.apache.org/jira/browse/HADOOP-6096 > Project: Hadoop Core > Issue Type: New Feature > Components: contrib/capacity-sched > Reporter: Tsz Wo (Nicholas), SZE > > Without preemption, it is not possible to guarantee capacity since long running jobs may occupy task slots of an arbitrarily long time. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.