Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 12452 invoked from network); 24 Oct 2008 19:20:51 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 24 Oct 2008 19:20:51 -0000 Received: (qmail 67290 invoked by uid 500); 24 Oct 2008 19:20:48 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 67257 invoked by uid 500); 24 Oct 2008 19:20:48 -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 67245 invoked by uid 99); 24 Oct 2008 19:20:48 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 24 Oct 2008 12:20:48 -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, 24 Oct 2008 19:19:34 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 458AF234C233 for ; Fri, 24 Oct 2008 12:19:44 -0700 (PDT) Message-ID: <899511571.1224875984283.JavaMail.jira@brutus> Date: Fri, 24 Oct 2008 12:19:44 -0700 (PDT) From: "Christian Kunz (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Commented: (HADOOP-4517) unstable dfs when running jobs on 0.18.1 In-Reply-To: <34214162.1224875864209.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-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12642521#action_12642521 ] Christian Kunz commented on HADOOP-4517: ---------------------------------------- Datanode Exception: 2008-10-23 17:30:21,703 INFO org.apache.hadoop.dfs.DataNode: writeBlock blk_4622591820056312866_6335826 received exception java.io.EOFException: while trying to read 65625 bytes 2008-10-23 17:30:21,703 ERROR org.apache.hadoop.dfs.DataNode: DatanodeRegistration(xxx.yyy.zzz.uuu:50010, storageID=DS-1873593537-xx.yyy.zzz.uuu-vvvv-1216412543041, infoPort=50075, ipcPort=50020):DataXceiver: java.io.EOFException: while trying to read 65625 bytes at org.apache.hadoop.dfs.DataNode$BlockReceiver.readToBuf(DataNode.java:2464) at org.apache.hadoop.dfs.DataNode$BlockReceiver.readNextPacket(DataNode.java:2508) at org.apache.hadoop.dfs.DataNode$BlockReceiver.receivePacket(DataNode.java:2572) at org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock(DataNode.java:2698) at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1283) at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:1045) at java.lang.Thread.run(Thread.java:619) > unstable dfs when running jobs on 0.18.1 > ---------------------------------------- > > Key: HADOOP-4517 > URL: https://issues.apache.org/jira/browse/HADOOP-4517 > Project: Hadoop Core > Issue Type: Bug > Components: dfs > Affects Versions: 0.18.1 > Environment: hadoop-0.18.1 plus patches HADOOP-4277 HADOOP-4271 HADOOP-4326 HADOOP-4314 HADOOP-3914 HADOOP-4318 HADOOP-4351 HADOOP-4395 > Reporter: Christian Kunz > Attachments: datanode.out > > > 2 attempts of a job using 6000 maps, 19000 reduces > 1.st attempt: failed during reduce phase after 22 hours with 31 dead datanodes most of which became unresponsive due to an exception; dfs lost blocks > 2nd attempt: failed during map phase after 5 hours with 5 dead datanodes due to exception; dfs lost blocks responsible for job failure. > I will post typical datanode exception and attach thread dump. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.