YARN

export HADOOP_YARN_HOME={{hadoop_yarn_home}}

export HADOOP_LOG_DIR={{yarn_log_dir}}

export HADOOP_SECURE_LOG_DIR={{yarn_log_dir}}

export HADOOP_PID_DIR={{yarn_pid_dir}}

export HADOOP_SECURE_PID_DIR={{yarn_pid_dir}}

export HADOOP_LIBEXEC_DIR={{hadoop_libexec_dir}}

export JAVA_HOME={{java64_home}}

export JAVA_LIBRARY_PATH="${JAVA_LIBRARY_PATH}:{{hadoop_java_io_tmpdir}}"

​

# We need to add the EWMA and RFA appender for the yarn daemons only;

# however, HADOOP_ROOT_LOGGER is shared by the yarn client and the

# daemons. This is restrict the EWMA appender to daemons only.

export HADOOP_LOGLEVEL=${HADOOP_LOGLEVEL:-INFO}

export HADOOP_ROOT_LOGGER=${HADOOP_ROOT_LOGGER:-INFO,console}

export HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_DAEMON_ROOT_LOGGER:-${HADOOP_LOGLEVEL},EWMA,RFA}

​

# User for YARN daemons

export HADOOP_YARN_USER=${HADOOP_YARN_USER:-yarn}

​

# 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={{yarn_heapsize}}

​

# 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 HADOOP_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={{resourcemanager_heapsize}}

​

# Specify the JVM options to be used when starting the ResourceManager.

# These options will be appended to the options specified as HADOOP_OPTS

# and therefore may override any similar flags set in HADOOP_OPTS

{% if security_enabled %}

export YARN_RESOURCEMANAGER_OPTS="-Djava.security.auth.login.config={{yarn_jaas_file}}"

{% endif %}

​

# 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 HADOOP_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={{nodemanager_heapsize}}

​

# Specify the max Heapsize for the timeline server using a numerical value

# in the scale of MB. For example, to specify an jvm option of -Xmx1000m, set

# the value to 1024.

# This value will be overridden by an Xmx setting specified in either HADOOP_OPTS

# and/or YARN_TIMELINESERVER_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_TIMELINESERVER_HEAPSIZE={{apptimelineserver_heapsize}}

​

{% if security_enabled %}

export YARN_TIMELINESERVER_OPTS="-Djava.security.auth.login.config={{yarn_ats_jaas_file}}"

{% endif %}

​

{% if security_enabled %}

export YARN_TIMELINEREADER_OPTS="-Djava.security.auth.login.config={{yarn_ats_jaas_file}}"

{% endif %}

​

{% if security_enabled %}

export YARN_REGISTRYDNS_OPTS="-Djava.security.auth.login.config={{yarn_registry_dns_jaas_file}}"

{% endif %}

​

# Specify the JVM options to be used when starting the NodeManager.

# These options will be appended to the options specified as HADOOP_OPTS

# and therefore may override any similar flags set in HADOOP_OPTS

{% if security_enabled %}

export YARN_NODEMANAGER_OPTS="-Djava.security.auth.login.config={{yarn_nm_jaas_file}} -Dsun.security.krb5.rcache=none"

{% endif %}

​

# so that filenames w/ spaces are handled correctly in loops below

IFS=

​

​

# default log directory and file

if [ "$HADOOP_LOG_DIR" = "" ]; then

HADOOP_LOG_DIR="$HADOOP_YARN_HOME/logs"

fi

if [ "$HADOOP_LOGFILE" = "" ]; then

HADOOP_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 now uses specific subcommand options of the pattern (command)_(subcommand)_OPTS for every

# component. Because of this, HADDOP_OPTS is now used as a simple way to specify common properties

# between all YARN components.

HADOOP_OPTS="$HADOOP_OPTS -Dyarn.id.str=$YARN_IDENT_STRING"

HADOOP_OPTS="$HADOOP_OPTS -Dyarn.policy.file=$YARN_POLICYFILE"

HADOOP_OPTS="$HADOOP_OPTS -Djava.io.tmpdir={{hadoop_java_io_tmpdir}}"

​

{% if security_enabled %}

HADOOP_OPTS="$HADOOP_OPTS -Djavax.security.auth.useSubjectCredsOnly=false"

{% endif %}

​

{% if rm_security_opts is defined %}

YARN_RESOURCEMANAGER_OPTS="{{rm_security_opts}} $YARN_RESOURCEMANAGER_OPTS"

{% endif %}

​

export YARN_NODEMANAGER_OPTS="$YARN_NODEMANAGER_OPTS -Dnm.audit.logger=INFO,NMAUDIT"

export YARN_RESOURCEMANAGER_OPTS="$YARN_RESOURCEMANAGER_OPTS -Dyarn.server.resourcemanager.appsummary.logger=INFO,RMSUMMARY -Drm.audit.logger=INFO,RMAUDIT"

​

{% if registry_dns_needs_privileged_access %}

# If the DNS server is configured to use the standard privileged port 53,

# the environment variables YARN_REGISTRYDNS_SECURE_USER and

# YARN_REGISTRYDNS_SECURE_EXTRA_OPTS must be set.

export YARN_REGISTRYDNS_SECURE_USER={{yarn_user}}

export YARN_REGISTRYDNS_SECURE_EXTRA_OPTS="-jvm server"

{% endif %}