Return-Path: X-Original-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E7915109A7 for ; Tue, 16 Dec 2014 20:31:14 +0000 (UTC) Received: (qmail 87194 invoked by uid 500); 16 Dec 2014 20:31:13 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 87019 invoked by uid 500); 16 Dec 2014 20:31:13 -0000 Mailing-List: contact hdfs-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-dev@hadoop.apache.org Delivered-To: mailing list hdfs-dev@hadoop.apache.org Received: (qmail 86712 invoked by uid 99); 16 Dec 2014 20:31:13 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Dec 2014 20:31:13 +0000 Date: Tue, 16 Dec 2014 20:31:13 +0000 (UTC) From: "Allen Wittenauer (JIRA)" To: hdfs-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Resolved] (HDFS-7534) how to enable namenode GC logging MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-7534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer resolved HDFS-7534. ------------------------------------ Resolution: Not a Problem Not a bug. This is a user configuration problem (%HADOOP_LOG_DIR% isn't how shell variables are defined). Closing. > how to enable namenode GC logging > --------------------------------- > > Key: HDFS-7534 > URL: https://issues.apache.org/jira/browse/HDFS-7534 > Project: Hadoop HDFS > Issue Type: Task > Reporter: Kuldeep Kulkarni > > Hey Team, > Could you please let me know how to enable GC logging for hadoop namenode. ? > I tried below method : > modified HADOOP_NAMENODE_OPTS in /etc/hadoop/conf/hadoop-env.sh as below and restarted namenode (HA is configured on cdh 4.7.0 ) > *before modification :* > {code} > export HADOOP_NAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_NAMENODE_OPTS"; > {code} > *After modification:* > {code} > export HADOOP_NAMENODE_OPTS="-Xloggc:%HADOOP_LOG_DIR%/gc-namenode.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_NAMENODE_OPTS"; > {code} > this method is not working :( > could you please help me on this. > Thanks, > Kuldeep -- This message was sent by Atlassian JIRA (v6.3.4#6332)