59bd35daef
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491907 13f79535-47bb-0310-9956-ffa450edef68
86 lines
3.5 KiB
Bash
86 lines
3.5 KiB
Bash
# Copyright 2011 The Apache Software Foundation
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Set Hadoop-specific environment variables here.
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# The only required environment variable is JAVA_HOME. All others are
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# optional. When running a distributed configuration it is best to
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# set JAVA_HOME in this file, so that it is correctly defined on
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# remote nodes.
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# The java implementation to use.
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export JAVA_HOME=${JAVA_HOME}
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# The jsvc implementation to use. Jsvc is required to run secure datanodes.
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#export JSVC_HOME=${JSVC_HOME}
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export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-"/etc/hadoop"}
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# Extra Java CLASSPATH elements. Automatically insert capacity-scheduler.
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for f in $HADOOP_HOME/contrib/capacity-scheduler/*.jar; do
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if [ "$HADOOP_CLASSPATH" ]; then
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export HADOOP_CLASSPATH=$HADOOP_CLASSPATH:$f
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else
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export HADOOP_CLASSPATH=$f
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fi
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done
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# The maximum amount of heap to use, in MB. Default is 1000.
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#export HADOOP_HEAPSIZE=
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#export HADOOP_NAMENODE_INIT_HEAPSIZE=""
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# Extra Java runtime options. Empty by default.
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export HADOOP_OPTS="$HADOOP_OPTS -Djava.net.preferIPv4Stack=true"
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MAC_OSX=false
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case "`uname`" in
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Darwin*) MAC_OSX=true;;
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esac
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if $MAC_OSX; then
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export HADOOP_OPTS="$HADOOP_OPTS -Djava.security.krb5.realm= -Djava.security.krb5.kdc="
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fi
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# Command specific options appended to HADOOP_OPTS when specified
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export HADOOP_NAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_NAMENODE_OPTS"
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export HADOOP_DATANODE_OPTS="-Dhadoop.security.logger=ERROR,RFAS $HADOOP_DATANODE_OPTS"
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export HADOOP_SECONDARYNAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_SECONDARYNAMENODE_OPTS"
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# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
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export HADOOP_CLIENT_OPTS="-Xmx512m $HADOOP_CLIENT_OPTS"
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#HADOOP_JAVA_PLATFORM_OPTS="-XX:-UsePerfData $HADOOP_JAVA_PLATFORM_OPTS"
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# On secure datanodes, user to run the datanode as after dropping privileges
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export HADOOP_SECURE_DN_USER=${HADOOP_SECURE_DN_USER}
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# Where log files are stored. $HADOOP_HOME/logs by default.
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#export HADOOP_LOG_DIR=${HADOOP_LOG_DIR}/$USER
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# Where log files are stored in the secure data environment.
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export HADOOP_SECURE_DN_LOG_DIR=${HADOOP_LOG_DIR}/${HADOOP_HDFS_USER}
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# The directory where pid files are stored. /tmp by default.
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# NOTE: this should be set to a directory that can only be written to by
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# the user that will run the hadoop daemons. Otherwise there is the
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# potential for a symlink attack.
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export HADOOP_PID_DIR=${HADOOP_PID_DIR}
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export HADOOP_SECURE_DN_PID_DIR=${HADOOP_PID_DIR}
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# A string representing this instance of hadoop. $USER by default.
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export HADOOP_IDENT_STRING=$USER
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