Return-Path: Delivered-To: apmail-lucene-hadoop-dev-archive@locus.apache.org Received: (qmail 16091 invoked from network); 14 May 2007 17:32:41 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 14 May 2007 17:32:41 -0000 Received: (qmail 62011 invoked by uid 500); 14 May 2007 17:32:44 -0000 Delivered-To: apmail-lucene-hadoop-dev-archive@lucene.apache.org Received: (qmail 61981 invoked by uid 500); 14 May 2007 17:32:44 -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 61969 invoked by uid 99); 14 May 2007 17:32:44 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 May 2007 10:32:44 -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; Mon, 14 May 2007 10:32:36 -0700 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id C462771406A for ; Mon, 14 May 2007 10:32:16 -0700 (PDT) Message-ID: <10992625.1179163936800.JavaMail.jira@brutus> Date: Mon, 14 May 2007 10:32:16 -0700 (PDT) From: "Hairong Kuang (JIRA)" To: hadoop-dev@lucene.apache.org Subject: [jira] Commented: (HADOOP-1106) Number of DataNodes less than target replication causes NameNode WARN message every millisecond In-Reply-To: <9928046.1173481809445.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-1106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12495686 ] Hairong Kuang commented on HADOOP-1106: --------------------------------------- I created a file with a replication factor of 3 on a 2-node dfs cluster, but was not able to reproduce the error. Nigel, could you please check if I miss anything? > Number of DataNodes less than target replication causes NameNode WARN message every millisecond > ----------------------------------------------------------------------------------------------- > > Key: HADOOP-1106 > URL: https://issues.apache.org/jira/browse/HADOOP-1106 > Project: Hadoop > Issue Type: Bug > Components: dfs > Affects Versions: 0.12.0 > Reporter: Nigel Daley > Assigned To: Hairong Kuang > Priority: Blocker > Fix For: 0.13.0 > > > When I startup a 4 DataNode cluster that already contains files with a target replication of 3, but 2 of the DataNodes fail to come online (ie. there are fewer DataNodes then the target replication), I get the following output in the NameNode log every millisecond or less, continued forever: > 2007-03-09 22:45:22,848 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,849 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,850 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,851 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,852 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,852 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,853 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,853 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 > 2007-03-09 22:45:22,854 WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, still in need of 2 -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.