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YARN-919. Document setting default heap sizes in yarn env.sh Contributed by Mayank Bansal.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504970 13f79535-47bb-0310-9956-ffa450edef68
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Hitesh Shah 2013-07-19 19:23:12 +00:00
parent 5b3e74e42c
commit 3c6e5b900f
2 changed files with 39 additions and 2 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -698,6 +698,9 @@ Release 2.1.0-beta - 2013-07-02
YARN-654. AMRMClient: Perform sanity checks for parameters of public
methods (Xuan Gong via bikas)"
YARN-919. Document setting default heap sizes in yarn-env.sh (Mayank
Bansal via hitesh)
BREAKDOWN OF HADOOP-8562 SUBTASKS AND RELATED JIRAS
YARN-158. Yarn creating package-info.java must not depend on sh.

38
hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
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@ -34,13 +34,47 @@ 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
#echo "run with heapsize $YARN_HEAPSIZE"
JAVA_HEAP_MAX="-Xmx""$YARN_HEAPSIZE""m"
#echo $JAVA_HEAP_MAX
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=