Return-Path: X-Original-To: apmail-hadoop-yarn-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-yarn-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 447DCDB3C for ; Mon, 4 Mar 2013 20:15:14 +0000 (UTC) Received: (qmail 40569 invoked by uid 500); 4 Mar 2013 20:15:14 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 40549 invoked by uid 500); 4 Mar 2013 20:15:14 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: yarn-issues@hadoop.apache.org Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 40540 invoked by uid 99); 4 Mar 2013 20:15:14 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Mar 2013 20:15:14 +0000 Date: Mon, 4 Mar 2013 20:15:14 +0000 (UTC) From: "Hudson (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-448) Remove unnecessary hflush from log aggregation 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/YARN-448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13592588#comment-13592588 ] Hudson commented on YARN-448: ----------------------------- Integrated in Hadoop-trunk-Commit #3412 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/3412/]) YARN-448. Remove unnecessary hflush from log aggregation (Kihwal Lee via bobby) (Revision 1452475) Result = SUCCESS bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1452475 Files : * /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt * /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/logaggregation/AggregatedLogFormat.java > Remove unnecessary hflush from log aggregation > ---------------------------------------------- > > Key: YARN-448 > URL: https://issues.apache.org/jira/browse/YARN-448 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 0.23.7, 2.0.4-beta > Reporter: Kihwal Lee > Assignee: Kihwal Lee > Fix For: 3.0.0, 0.23.7, 2.0.4-beta > > Attachments: yarn-448.patch.txt > > > AggregatedLogFormat#writeVersion() calls hflush() after writing the version. Calling hflush does not seem to be necessary. It can add a lot of load to hdfs in a big busy cluster. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira