dec6fcdb00
layout to be consistent across the binary tgz, rpm, and deb. Adds setup scripts for easy one node cluster configuration and user creation. (Eric Yang via omalley) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1128385 13f79535-47bb-0310-9956-ffa450edef68
356 lines
10 KiB
Bash
356 lines
10 KiB
Bash
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# 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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# included in all the hadoop scripts with source command
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# should not be executable directly
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# also should not be passed any arguments, since we need original $*
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# Resolve links ($0 may be a softlink) and convert a relative path
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# to an absolute path. NB: The -P option requires bash built-ins
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# or POSIX:2001 compliant cd and pwd.
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this="${BASH_SOURCE-$0}"
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common_bin=$(cd -P -- "$(dirname -- "$this")" && pwd -P)
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script="$(basename -- "$this")"
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this="$common_bin/$script"
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# the root of the Hadoop installation
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# See HADOOP-6255 for directory structure layout
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export HADOOP_PREFIX=`dirname "$this"`/..
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#check to see if the conf dir is given as an optional argument
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if [ $# -gt 1 ]
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then
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if [ "--config" = "$1" ]
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then
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shift
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confdir=$1
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shift
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HADOOP_CONF_DIR=$confdir
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fi
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fi
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# Allow alternate conf dir location.
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if [ -e "${HADOOP_PREFIX}/conf/hadoop-env.sh" ]; then
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DEFAULT_CONF_DIR="conf"
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else
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DEFAULT_CONF_DIR="etc/hadoop"
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fi
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export HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_PREFIX/$DEFAULT_CONF_DIR}"
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# User can specify hostnames or a file where the hostnames are (not both)
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if [[ ( "$HADOOP_SLAVES" != '' ) && ( "$HADOOP_SLAVE_NAMES" != '' ) ]] ; then
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echo \
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"Error: Please specify one variable HADOOP_SLAVES or " \
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"HADOOP_SLAVE_NAME and not both."
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exit 1
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fi
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# Process command line options that specify hosts or file with host
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# list
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if [ $# -gt 1 ]
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then
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if [ "--hosts" = "$1" ]
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then
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shift
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export HADOOP_SLAVES="${HADOOP_CONF_DIR}/$$1"
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shift
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elif [ "--hostnames" = "$1" ]
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then
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shift
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export HADOOP_SLAVE_NAMES=$1
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shift
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fi
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fi
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# User can specify hostnames or a file where the hostnames are (not both)
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# (same check as above but now we know it's command line options that cause
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# the problem)
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if [[ ( "$HADOOP_SLAVES" != '' ) && ( "$HADOOP_SLAVE_NAMES" != '' ) ]] ; then
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echo \
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"Error: Please specify one of --hosts or --hostnames options and not both."
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exit 1
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fi
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cygwin=false
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case "`uname`" in
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CYGWIN*) cygwin=true;;
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esac
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if [ -f "${HADOOP_CONF_DIR}/hadoop-env.sh" ]; then
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. "${HADOOP_CONF_DIR}/hadoop-env.sh"
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fi
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# check if net.ipv6.bindv6only is set to 1
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bindv6only=$(/sbin/sysctl -n net.ipv6.bindv6only 2> /dev/null)
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if [ -n "$bindv6only" ] && [ "$bindv6only" -eq "1" ] && [ "$HADOOP_ALLOW_IPV6" != "yes" ]
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then
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echo "Error: \"net.ipv6.bindv6only\" is set to 1 - Java networking could be broken"
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echo "For more info: http://wiki.apache.org/hadoop/HadoopIPv6"
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exit 1
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fi
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# Newer versions of glibc use an arena memory allocator that causes virtual
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# memory usage to explode. This interacts badly with the many threads that
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# we use in Hadoop. Tune the variable down to prevent vmem explosion.
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export MALLOC_ARENA_MAX=${MALLOC_ARENA_MAX:-4}
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# some Java parameters
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if [ "$JAVA_HOME" != "" ]; then
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#echo "run java in $JAVA_HOME"
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JAVA_HOME=$JAVA_HOME
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fi
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if [ "$JAVA_HOME" = "" ]; then
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echo "Error: JAVA_HOME is not set."
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exit 1
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fi
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JAVA=$JAVA_HOME/bin/java
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JAVA_HEAP_MAX=-Xmx1000m
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# check envvars which might override default args
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if [ "$HADOOP_HEAPSIZE" != "" ]; then
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#echo "run with heapsize $HADOOP_HEAPSIZE"
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JAVA_HEAP_MAX="-Xmx""$HADOOP_HEAPSIZE""m"
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#echo $JAVA_HEAP_MAX
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fi
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# CLASSPATH initially contains $HADOOP_CONF_DIR
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CLASSPATH="${HADOOP_CONF_DIR}"
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CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar
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# for developers, add Hadoop classes to CLASSPATH
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if [ -d "$HADOOP_PREFIX/build/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_PREFIX/build/classes
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fi
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if [ -d "$HADOOP_PREFIX/build/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_PREFIX/build
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fi
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if [ -d "$HADOOP_PREFIX/build/test/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_PREFIX/build/test/classes
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fi
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if [ -d "$HADOOP_PREFIX/build/test/core/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_PREFIX/build/test/core/classes
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fi
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# so that filenames w/ spaces are handled correctly in loops below
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IFS=
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# for releases, add core hadoop jar & webapps to CLASSPATH
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if [ -d "$HADOOP_PREFIX/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_PREFIX
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fi
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if [ -d "$HADOOP_PREFIX/share/hadoop/common/lib" ]; then
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for f in $HADOOP_PREFIX/share/hadoop/common/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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for f in $HADOOP_PREFIX/share/hadoop/common/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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# for developers, add libs to CLASSPATH
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for f in $HADOOP_PREFIX/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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if [ -d "$HADOOP_PREFIX/build/ivy/lib/Hadoop-Common/common" ]; then
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for f in $HADOOP_PREFIX/build/ivy/lib/Hadoop-Common/common/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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if [ -d "$HADOOP_PREFIX/build/ivy/lib/hadoop-hdfs/hdfs" ]; then
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for f in $HADOOP_PREFIX/build/ivy/lib/hadoop-hdfs/hdfs/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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if [ -d "$HADOOP_PREFIX/build/ivy/lib/Hadoop/mapred" ]; then
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for f in $HADOOP_PREFIX/build/ivy/lib/Hadoop/mapred/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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for f in $HADOOP_PREFIX/lib/jsp-2.1/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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# add user-specified CLASSPATH last
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if [ "$HADOOP_CLASSPATH" != "" ]; then
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CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
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fi
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# default log directory & file
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if [ "$HADOOP_LOG_DIR" = "" ]; then
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HADOOP_LOG_DIR="$HADOOP_PREFIX/logs"
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fi
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if [ "$HADOOP_LOGFILE" = "" ]; then
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HADOOP_LOGFILE='hadoop.log'
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fi
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# default policy file for service-level authorization
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if [ "$HADOOP_POLICYFILE" = "" ]; then
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HADOOP_POLICYFILE="hadoop-policy.xml"
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fi
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# restore ordinary behaviour
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unset IFS
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# cygwin path translation
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if $cygwin; then
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HADOOP_PREFIX=`cygpath -w "$HADOOP_PREFIX"`
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HADOOP_LOG_DIR=`cygpath -w "$HADOOP_LOG_DIR"`
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JAVA_LIBRARY_PATH=`cygpath -w "$JAVA_LIBRARY_PATH"`
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fi
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# setup 'java.library.path' for native-hadoop code if necessary
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if [ -d "${HADOOP_PREFIX}/build/native" -o -d "${HADOOP_PREFIX}/lib/native" ]; then
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JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} -Xmx32m ${HADOOP_JAVA_PLATFORM_OPTS} org.apache.hadoop.util.PlatformName | sed -e "s/ /_/g"`
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if [ -d "$HADOOP_PREFIX/build/native" ]; then
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if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
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JAVA_LIBRARY_PATH=${JAVA_LIBRARY_PATH}:${HADOOP_PREFIX}/build/native/${JAVA_PLATFORM}/lib
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else
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JAVA_LIBRARY_PATH=${HADOOP_PREFIX}/build/native/${JAVA_PLATFORM}/lib
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fi
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fi
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if [ -d "${HADOOP_PREFIX}/lib/native" ]; then
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if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
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JAVA_LIBRARY_PATH=${JAVA_LIBRARY_PATH}:${HADOOP_PREFIX}/lib/native/${JAVA_PLATFORM}
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else
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JAVA_LIBRARY_PATH=${HADOOP_PREFIX}/lib/native/${JAVA_PLATFORM}
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fi
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fi
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fi
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if [ -e "${HADOOP_PREFIX}/lib/libhadoop.a" ]; then
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JAVA_LIBRARY_PATH=${HADOOP_PREFIX}/lib
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fi
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# cygwin path translation
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if $cygwin; then
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JAVA_LIBRARY_PATH=`cygpath -p "$JAVA_LIBRARY_PATH"`
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fi
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.log.dir=$HADOOP_LOG_DIR"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.log.file=$HADOOP_LOGFILE"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.home.dir=$HADOOP_PREFIX"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.id.str=$HADOOP_IDENT_STRING"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.root.logger=${HADOOP_ROOT_LOGGER:-INFO,console}"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,console}"
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if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
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HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH"
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fi
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.policy.file=$HADOOP_POLICYFILE"
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# Disable ipv6 as it can cause issues
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HADOOP_OPTS="$HADOOP_OPTS -Djava.net.preferIPv4Stack=true"
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# put hdfs in classpath if present
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if [ "$HADOOP_HDFS_HOME" = "" ]; then
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if [ -d "${HADOOP_PREFIX}/share/hadoop/hdfs" ]; then
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HADOOP_HDFS_HOME=$HADOOP_PREFIX/share/hadoop/hdfs
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#echo Found HDFS installed at $HADOOP_HDFS_HOME
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fi
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fi
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if [ -d "${HADOOP_HDFS_HOME}" ]; then
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if [ -d "$HADOOP_HDFS_HOME/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME
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fi
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if [ -d "${HADOOP_HDFS_HOME}/conf" ]; then
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CLASSPATH=${CLASSPATH}:${HADOOP_HDFS_HOME}/conf
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fi
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for f in $HADOOP_HDFS_HOME/hadoop-hdfs-*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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# add libs to CLASSPATH
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if [ -d "${HADOOP_HDFS_HOME}/lib" ]; then
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for f in $HADOOP_HDFS_HOME/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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if [ -d "$HADOOP_HDFS_HOME/build/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME/build/classes
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fi
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fi
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# cygwin path translation
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if $cygwin; then
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HADOOP_HDFS_HOME=`cygpath -w "$HADOOP_HDFS_HOME"`
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fi
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# set mapred home if mapred is present
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if [ "$HADOOP_MAPRED_HOME" = "" ]; then
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if [ -d "${HADOOP_PREFIX}/share/hadoop/mapreduce" ]; then
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HADOOP_MAPRED_HOME=$HADOOP_PREFIX/share/hadoop/mapreduce
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fi
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fi
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if [ -d "${HADOOP_MAPRED_HOME}" ]; then
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if [ -d "$HADOOP_MAPRED_HOME/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_MAPRED_HOME
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fi
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if [ -d "${HADOOP_MAPRED_HOME}/conf" ]; then
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CLASSPATH=${CLASSPATH}:${HADOOP_MAPRED_HOME}/conf
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fi
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for f in $HADOOP_MAPRED_HOME/hadoop-mapreduce-*.jar; do
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CLASSPATH=${CLASSPATH}:$f
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done
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if [ -d "${HADOOP_MAPRED_HOME}/lib" ]; then
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for f in $HADOOP_MAPRED_HOME/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f
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done
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fi
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if [ -d "$HADOOP_MAPRED_HOME/build/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_MAPRED_HOME/build/classes
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fi
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if [ -d "$HADOOP_MAPRED_HOME/build/tools" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_MAPRED_HOME/build/tools
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fi
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for f in $HADOOP_MAPRED_HOME/hadoop-mapreduce-tools-*.jar; do
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TOOL_PATH=${TOOL_PATH}:$f;
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done
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for f in $HADOOP_MAPRED_HOME/build/hadoop-mapreduce-tools-*.jar; do
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TOOL_PATH=${TOOL_PATH}:$f;
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done
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fi
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# cygwin path translation
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if $cygwin; then
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HADOOP_MAPRED_HOME=`cygpath -w "$HADOOP_MAPRED_HOME"`
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TOOL_PATH=`cygpath -p -w "$TOOL_PATH"`
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fi
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