Return-Path: Delivered-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Received: (qmail 94777 invoked from network); 2 Feb 2010 06:19:33 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Feb 2010 06:19:33 -0000 Received: (qmail 82884 invoked by uid 500); 2 Feb 2010 06:19:32 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 82773 invoked by uid 500); 2 Feb 2010 06:19:32 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-issues@hadoop.apache.org Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 82752 invoked by uid 99); 2 Feb 2010 06:19:32 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 02 Feb 2010 06:19:32 +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; Tue, 02 Feb 2010 06:19:30 +0000 Received: from brutus.apache.org (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id A0DFF29A005D for ; Mon, 1 Feb 2010 22:18:21 -0800 (PST) Message-ID: <1804290100.20271265091501657.JavaMail.jira@brutus.apache.org> Date: Tue, 2 Feb 2010 06:18:21 +0000 (UTC) From: "Hudson (JIRA)" To: mapreduce-issues@hadoop.apache.org Subject: [jira] Commented: (MAPREDUCE-1316) JobTracker holds stale references to retired jobs via unreported tasks In-Reply-To: <254578906.1261130178427.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/MAPREDUCE-1316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828488#action_12828488 ] Hudson commented on MAPREDUCE-1316: ----------------------------------- Integrated in Hadoop-Mapreduce-trunk-Commit #225 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/225/]) > JobTracker holds stale references to retired jobs via unreported tasks > ----------------------------------------------------------------------- > > Key: MAPREDUCE-1316 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-1316 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: jobtracker > Reporter: Amar Kamat > Assignee: Amar Kamat > Priority: Blocker > Fix For: 0.21.0 > > Attachments: mapreduce-1316-v1.11.patch, mapreduce-1316-v1.13-branch20-yahoo.patch, mapreduce-1316-v1.14-branch20-yahoo.patch, mapreduce-1316-v1.14.1-branch20-yahoo.patch, mapreduce-1316-v1.15-branch-0.21.patch, mapreduce-1316-v1.15-branch20-yahoo.patch, mapreduce-1316-v1.15.patch, mapreduce-1316-v1.7.patch > > > JobTracker fails to remove _unreported_ tasks' mapping from _taskToTIPMap_ if the job finishes and retires. _Unreported tasks_ refers to tasks that were scheduled but the tasktracker did not report back with the task status. In such cases a stale reference is held to TaskInProgress (and thus JobInProgress) long after the job is gone leading to memory leak. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.