Return-Path: X-Original-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E46911030D for ; Fri, 21 Nov 2014 14:05:36 +0000 (UTC) Received: (qmail 75754 invoked by uid 500); 21 Nov 2014 14:05:36 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 75694 invoked by uid 500); 21 Nov 2014 14:05:36 -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 75680 invoked by uid 99); 21 Nov 2014 14:05:36 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 Nov 2014 14:05:36 +0000 Date: Fri, 21 Nov 2014 14:05:36 +0000 (UTC) From: "Hudson (JIRA)" To: mapreduce-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (MAPREDUCE-6169) MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/MAPREDUCE-6169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220941#comment-14220941 ] Hudson commented on MAPREDUCE-6169: ----------------------------------- FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #12 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/12/]) MAPREDUCE-6169. MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory. (Zhihai Xu via kasha) (kasha: rev 90194ca1cbd695d48c3705121c2ac9a8554578a2) * hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Merger.java * hadoop-mapreduce-project/CHANGES.txt * hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestMerger.java > MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory. > ---------------------------------------------------------------------------------------------------------------------- > > Key: MAPREDUCE-6169 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-6169 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mrv2 > Reporter: zhihai xu > Assignee: zhihai xu > Fix For: 2.7.0 > > Attachments: MAPREDUCE-6169.000.patch > > > MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory. > these buffers referenced by key and value can be large, which may cause an OOM error. -- This message was sent by Atlassian JIRA (v6.3.4#6332)