From hadoop-dev-return-9814-apmail-lucene-hadoop-dev-archive=lucene.apache.org@lucene.apache.org Tue Apr 03 07:03:56 2007 Return-Path: Delivered-To: apmail-lucene-hadoop-dev-archive@locus.apache.org Received: (qmail 27034 invoked from network); 3 Apr 2007 07:03:56 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 3 Apr 2007 07:03:56 -0000 Received: (qmail 4158 invoked by uid 500); 3 Apr 2007 07:04:02 -0000 Delivered-To: apmail-lucene-hadoop-dev-archive@lucene.apache.org Received: (qmail 4134 invoked by uid 500); 3 Apr 2007 07:04:02 -0000 Mailing-List: contact hadoop-dev-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-dev@lucene.apache.org Delivered-To: mailing list hadoop-dev@lucene.apache.org Received: (qmail 4123 invoked by uid 99); 3 Apr 2007 07:04:02 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Apr 2007 00:04:02 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Apr 2007 00:03:54 -0700 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id EE278714068 for ; Tue, 3 Apr 2007 00:03:33 -0700 (PDT) Message-ID: <31707792.1175583813953.JavaMail.jira@brutus> Date: Tue, 3 Apr 2007 00:03:33 -0700 (PDT) From: "Hadoop QA (JIRA)" To: hadoop-dev@lucene.apache.org Subject: [jira] Commented: (HADOOP-1194) map output should not do block level compression In-Reply-To: <4968680.1175560052263.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-1194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486249 ] Hadoop QA commented on HADOOP-1194: ----------------------------------- +1, because http://issues.apache.org/jira/secure/attachment/12354810/HADOOP-1194_20070403_1.patch applied and successfully tested against trunk revision http://svn.apache.org/repos/asf/lucene/hadoop/trunk/524929. Results are at http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch > map output should not do block level compression > ------------------------------------------------ > > Key: HADOOP-1194 > URL: https://issues.apache.org/jira/browse/HADOOP-1194 > Project: Hadoop > Issue Type: Improvement > Components: mapred > Affects Versions: 0.12.2 > Reporter: Runping Qi > Assigned To: Arun C Murthy > Fix For: 0.13.0 > > Attachments: HADOOP-1194_20070403_1.patch > > > If the user sets to compress the map output, the compression style should be record level, not block level, since using block level compression for map outputs causes performance degragation significantly. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.