| # 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. |
| |
| # User for YARN daemons |
| export HADOOP_YARN_USER=${HADOOP_YARN_USER:-yarn} |
| |
| # resolve links - $0 may be a softlink |
| export YARN_CONF_DIR="${YARN_CONF_DIR:-$HADOOP_YARN_HOME/conf}" |
| |
| # some Java parameters |
| # export JAVA_HOME=/home/y/libexec/jdk1.6.0/ |
| if [ "$JAVA_HOME" != "" ]; then |
| #echo "run java in $JAVA_HOME" |
| JAVA_HOME=$JAVA_HOME |
| fi |
| |
| if [ "$JAVA_HOME" = "" ]; then |
| echo "Error: JAVA_HOME is not set." |
| exit 1 |
| fi |
| |
| JAVA=$JAVA_HOME/bin/java |
| JAVA_HEAP_MAX=-Xmx1000m |
| |
| # For setting YARN specific HEAP sizes please use this |
| # Parameter and set appropriately |
| # YARN_HEAPSIZE=1000 |
| |
| # check envvars which might override default args |
| if [ "$YARN_HEAPSIZE" != "" ]; then |
| JAVA_HEAP_MAX="-Xmx""$YARN_HEAPSIZE""m" |
| fi |
| |
| # Resource Manager specific parameters |
| |
| # Specify the max Heapsize for the ResourceManager using a numerical value |
| # in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set |
| # the value to 1000. |
| # This value will be overridden by an Xmx setting specified in either YARN_OPTS |
| # and/or YARN_RESOURCEMANAGER_OPTS. |
| # If not specified, the default value will be picked from either YARN_HEAPMAX |
| # or JAVA_HEAP_MAX with YARN_HEAPMAX as the preferred option of the two. |
| #export YARN_RESOURCEMANAGER_HEAPSIZE=1000 |
| |
| # Specify the JVM options to be used when starting the ResourceManager. |
| # These options will be appended to the options specified as YARN_OPTS |
| # and therefore may override any similar flags set in YARN_OPTS |
| #export YARN_RESOURCEMANAGER_OPTS= |
| |
| # Node Manager specific parameters |
| |
| # Specify the max Heapsize for the NodeManager using a numerical value |
| # in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set |
| # the value to 1000. |
| # This value will be overridden by an Xmx setting specified in either YARN_OPTS |
| # and/or YARN_NODEMANAGER_OPTS. |
| # If not specified, the default value will be picked from either YARN_HEAPMAX |
| # or JAVA_HEAP_MAX with YARN_HEAPMAX as the preferred option of the two. |
| #export YARN_NODEMANAGER_HEAPSIZE=1000 |
| |
| # Specify the JVM options to be used when starting the NodeManager. |
| # These options will be appended to the options specified as YARN_OPTS |
| # and therefore may override any similar flags set in YARN_OPTS |
| #export YARN_NODEMANAGER_OPTS= |
| |
| # so that filenames w/ spaces are handled correctly in loops below |
| IFS= |
| |
| |
| # default log directory & file |
| if [ "$YARN_LOG_DIR" = "" ]; then |
| YARN_LOG_DIR="$HADOOP_YARN_HOME/logs" |
| fi |
| if [ "$YARN_LOGFILE" = "" ]; then |
| YARN_LOGFILE='yarn.log' |
| fi |
| |
| # default policy file for service-level authorization |
| if [ "$YARN_POLICYFILE" = "" ]; then |
| YARN_POLICYFILE="hadoop-policy.xml" |
| fi |
| |
| # restore ordinary behaviour |
| unset IFS |
| |
| |
| YARN_OPTS="$YARN_OPTS -Dhadoop.log.dir=$YARN_LOG_DIR" |
| YARN_OPTS="$YARN_OPTS -Dyarn.log.dir=$YARN_LOG_DIR" |
| YARN_OPTS="$YARN_OPTS -Dhadoop.log.file=$YARN_LOGFILE" |
| YARN_OPTS="$YARN_OPTS -Dyarn.log.file=$YARN_LOGFILE" |
| YARN_OPTS="$YARN_OPTS -Dyarn.home.dir=$YARN_COMMON_HOME" |
| YARN_OPTS="$YARN_OPTS -Dyarn.id.str=$YARN_IDENT_STRING" |
| YARN_OPTS="$YARN_OPTS -Dhadoop.root.logger=${YARN_ROOT_LOGGER:-INFO,console}" |
| YARN_OPTS="$YARN_OPTS -Dyarn.root.logger=${YARN_ROOT_LOGGER:-INFO,console}" |
| if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then |
| YARN_OPTS="$YARN_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH" |
| fi |
| YARN_OPTS="$YARN_OPTS -Dyarn.policy.file=$YARN_POLICYFILE" |
| |
| |