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YARN-1429. *nix: Allow a way for users to augment classpath of YARN daemons. (Jarek Jarcec Cecho via kasha) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1572406 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Karthik Kambatla 2014-02-27 02:19:13 +00:00
parent 55c947b769
commit 593ef7b228
2 changed files with 20 additions and 2 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -17,6 +17,9 @@ Release 2.5.0 - UNRELEASED
YARN-1561. Fix a generic type warning in FairScheduler. (Chen He via junping_du)
YARN-1429. *nix: Allow a way for users to augment classpath of YARN daemons.
(Jarek Jarcec Cecho via kasha)
OPTIMIZATIONS
BUG FIXES

19
hadoop-yarn-project/hadoop-yarn/bin/yarn
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@ -22,7 +22,12 @@
#
# JAVA_HOME The java implementation to use. Overrides JAVA_HOME.
#
# YARN_CLASSPATH Extra Java CLASSPATH entries.
# YARN_USER_CLASSPATH Additional user CLASSPATH entries.
#
# YARN_USER_CLASSPATH_FIRST If set to non empty value then the user classpath
# specified in YARN_USER_CLASSPATH will be
# appended at the beginning of YARN's final
# classpath instead of at the end.
#
# YARN_HEAPSIZE The maximum amount of heap to use, in MB.
# Default is 1000.
@ -163,6 +168,17 @@ fi
CLASSPATH=${CLASSPATH}:$HADOOP_YARN_HOME/${YARN_DIR}/*
CLASSPATH=${CLASSPATH}:$HADOOP_YARN_HOME/${YARN_LIB_JARS_DIR}/*
# Add user defined YARN_USER_CLASSPATH to the class path (if defined)
if [ -n "$YARN_USER_CLASSPATH" ]; then
if [ -n "$YARN_USER_CLASSPATH_FIRST" ]; then
# User requested to add the custom entries at the beginning
CLASSPATH=${YARN_USER_CLASSPATH}:${CLASSPATH}
else
# By default we will just append the extra entries at the end
CLASSPATH=${CLASSPATH}:${YARN_USER_CLASSPATH}
fi
fi
# so that filenames w/ spaces are handled correctly in loops below
IFS=
@ -249,4 +265,3 @@ if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
fi
exec "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $YARN_OPTS -classpath "$CLASSPATH" $CLASS "$@"
fi