| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # included in all the hadoop scripts with source command |
| # should not be executable directly |
| bin=`which "$0"` |
| bin=`dirname "${bin}"` |
| bin=`cd "$bin"; pwd` |
| |
| DEFAULT_LIBEXEC_DIR="$bin"/../libexec |
| HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR} |
| if [ -e "${HADOOP_LIBEXEC_DIR}/hadoop-config.sh" ]; then |
| . ${HADOOP_LIBEXEC_DIR}/hadoop-config.sh |
| elif [ -e "${HADOOP_COMMON_HOME}/libexec/hadoop-config.sh" ]; then |
| . "$HADOOP_COMMON_HOME"/libexec/hadoop-config.sh |
| elif [ -e "${HADOOP_HOME}/libexec/hadoop-config.sh" ]; then |
| . "$HADOOP_HOME"/libexec/hadoop-config.sh |
| else |
| echo "Hadoop common not found." |
| exit |
| fi |
| |
| # Same glibc bug that discovered in Hadoop. |
| # Without this you can see very large vmem settings on containers. |
| export MALLOC_ARENA_MAX=${MALLOC_ARENA_MAX:-4} |
| |
| #check to see if the conf dir is given as an optional argument |
| if [ $# -gt 1 ] |
| then |
| if [ "--config" = "$1" ] |
| then |
| shift |
| confdir=$1 |
| shift |
| YARN_CONF_DIR=$confdir |
| fi |
| fi |
| |
| # Allow alternate conf dir location. |
| export YARN_CONF_DIR="${HADOOP_CONF_DIR:-$YARN_HOME/conf}" |
| |
| #check to see it is specified whether to use the slaves or the |
| # masters file |
| if [ $# -gt 1 ] |
| then |
| if [ "--hosts" = "$1" ] |
| then |
| shift |
| slavesfile=$1 |
| shift |
| export YARN_SLAVES="${YARN_CONF_DIR}/$slavesfile" |
| fi |
| fi |