Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 47781 invoked from network); 16 Jun 2009 16:51:02 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 16 Jun 2009 16:51:02 -0000 Received: (qmail 74431 invoked by uid 500); 16 Jun 2009 16:43:31 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 74373 invoked by uid 500); 16 Jun 2009 16:43:30 -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 74350 invoked by uid 99); 16 Jun 2009 16:43:30 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Jun 2009 16:43:30 +0000 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; Tue, 16 Jun 2009 16:43:28 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id D689729A0012 for ; Tue, 16 Jun 2009 09:43:07 -0700 (PDT) Message-ID: <393329902.1245170587877.JavaMail.jira@brutus> Date: Tue, 16 Jun 2009 09:43:07 -0700 (PDT) From: "Steve Loughran (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Commented: (HADOOP-5137) Move Datanode packet IO logging to its own log In-Reply-To: <257613485.1233149159845.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-5137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720233#action_12720233 ] Steve Loughran commented on HADOOP-5137: ---------------------------------------- Also block reports are fairly chatty too; every DN logs at the rate of the heartbeat, which makes for a fairly noisy aggregate log. It too could be split off to a child log. > Move Datanode packet IO logging to its own log > ---------------------------------------------- > > Key: HADOOP-5137 > URL: https://issues.apache.org/jira/browse/HADOOP-5137 > Project: Hadoop Core > Issue Type: Improvement > Components: dfs > Affects Versions: 0.21.0 > Reporter: Steve Loughran > Priority: Minor > > If the Datanode is set to log at info, then the log fills up with lots of details about packet sending and receiving > [sf-startdaemon-debug] 09/01/28 13:15:42 [org.apache.hadoop.hdfs.server.datanode.DataXceiver@83efe6e] INFO datanode.DataNode : Receiving block blk_-3185775405544105186_1757 src: /127.0.0.1:41218 dest: /127.0.0.1:48017 > [sf-startdaemon-debug] 09/01/28 13:15:42 [PacketResponder 0 for Block blk_-3185775405544105186_1757] INFO datanode.DataNode : Received block blk_-3185775405544105186_1757 of size 3647 from /127.0.0.1:41218 > [sf-startdaemon-debug] 09/01/28 13:15:42 [PacketResponder 0 for Block blk_-3185775405544105186_1757] INFO datanode.DataNode : PacketResponder 0 for block blk_-3185775405544105186_1757 terminating > [sf-startdaemon-debug] 09/01/28 13:15:42 [org.apache.hadoop.hdfs.server.datanode.DataXceiver@83f0029] INFO datanode.DataNode : Receiving block blk_-1511363731410268168_1758 src: /127.0.0.1:41219 dest: /127.0.0.1:48017 > [sf-startdaemon-debug] 09/01/28 13:15:42 [PacketResponder 0 for Block blk_-1511363731410268168_1758] INFO datanode.DataNode : Received block blk_-1511363731410268168_1758 of size 940 from /127.0.0.1:41219 > [sf-startdaemon-debug] 09/01/28 13:15:42 [PacketResponder 0 for Block blk_-1511363731410268168_1758] INFO datanode.DataNode : PacketResponder 0 for block blk_-1511363731410268168_1758 terminating > [sf-startdaemon-debug] 09/01/28 13:15:42 [org.apache.hadoop.hdfs.server.datanode.DataXceiver@83f01e4] INFO datanode.DataNode : Receiving block blk_-967265843864311176_1759 src: /127.0.0.1:41220 dest: /127.0.0.1:48017 > [sf-startdaemon-debug] 09/01/28 13:15:42 [PacketResponder 0 for Block blk_-967265843864311176_1759] INFO datanode.DataNode : Received block blk_-967265843864311176_1759 of size 36948 from /127.0.0.1:41220 > It would be convenient for those people who only want to see errors in communication but monitor other DataNode operations to have a separate logger for DataNode communications; one to view at a separate log level. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.