Author: hitesh
Date: Fri Jul 19 19:23:12 2013
New Revision: 1504970
URL: http://svn.apache.org/r1504970
Log:
YARN-919. Document setting default heap sizes in yarn env.sh Contributed by
Mayank Bansal.
Modified:
hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
Modified: hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt?rev=1504970&r1=1504969&r2=1504970&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt Fri Jul 19 19:23:12 2013
@@ -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.
Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh?rev=1504970&r1=1504969&r2=1504970&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/conf/yarn-env.sh Fri
Jul 19 19:23:12 2013
@@ -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=
