Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 60371 invoked from network); 10 May 2008 00:00:25 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 10 May 2008 00:00:25 -0000 Received: (qmail 10380 invoked by uid 500); 10 May 2008 00:00:21 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 10341 invoked by uid 500); 10 May 2008 00:00:21 -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 10291 invoked by uid 99); 10 May 2008 00:00:21 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 May 2008 17:00:21 -0700 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; Fri, 09 May 2008 23:59:35 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id C0D24234C10F for ; Fri, 9 May 2008 16:59:55 -0700 (PDT) Message-ID: <163673138.1210377595788.JavaMail.jira@brutus> Date: Fri, 9 May 2008 16:59:55 -0700 (PDT) From: "Hadoop QA (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Commented: (HADOOP-3350) distcp should permit users to limit the number of maps In-Reply-To: <512693941.1210042675801.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-3350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595760#action_12595760 ] Hadoop QA commented on HADOOP-3350: ----------------------------------- +1 overall. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12381797/3350-1.patch against trunk revision 654941. +1 @author. The patch does not contain any @author tags. +1 tests included. The patch appears to include 3 new or modified tests. +1 javadoc. The javadoc tool did not generate any warning messages. +1 javac. The applied patch does not increase the total number of javac compiler warnings. +1 findbugs. The patch does not introduce any new Findbugs warnings. +1 release audit. The applied patch does not increase the total number of release audit warnings. +1 core tests. The patch passed core unit tests. +1 contrib tests. The patch passed contrib unit tests. Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2442/testReport/ Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2442/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2442/artifact/trunk/build/test/checkstyle-errors.html Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2442/console This message is automatically generated. > distcp should permit users to limit the number of maps > ------------------------------------------------------ > > Key: HADOOP-3350 > URL: https://issues.apache.org/jira/browse/HADOOP-3350 > Project: Hadoop Core > Issue Type: Improvement > Reporter: Chris Douglas > Assignee: Chris Douglas > Fix For: 0.18.0 > > Attachments: 3350-0.patch, 3350-1.patch > > > distcp provides no user-configurable setting to affect the number of maps run during a copy. For large clusters, the current calculation- min(#bytes / 256MB, #nodes * 20)- can be overly aggressive. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.