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HADOOP-11543. Improve help message for hadoop/yarn command. Contributed by Brahma Reddy Battula.

This commit is contained in:
Tsuyoshi Ozawa 2015-02-05 14:21:55 +09:00
parent 0b567f4246
commit ec950be173
3 changed files with 12 additions and 9 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -852,6 +852,9 @@ Release 2.7.0 - UNRELEASED
HADOOP-10062. race condition in MetricsSystemImpl#publishMetricsNow that HADOOP-10062. race condition in MetricsSystemImpl#publishMetricsNow that
causes incorrect results. (Sangjin Lee via junping_du) causes incorrect results. (Sangjin Lee via junping_du)
HADOOP-11543. Improve help message for hadoop/yarn command.
(Brahma Reddy Battula via ozawa)
Release 2.6.1 - UNRELEASED Release 2.6.1 - UNRELEASED
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

8
hadoop-common-project/hadoop-common/src/main/bin/hadoop
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@ -17,8 +17,10 @@
function hadoop_usage() function hadoop_usage()
{ {
echo "Usage: hadoop [--config confdir] [--loglevel loglevel] COMMAND" echo "Usage: hadoop [--config confdir] [COMMAND | CLASSNAME]"
echo " where COMMAND is one of:" echo " CLASSNAME run the class named CLASSNAME"
echo " or"
echo " where COMMAND is one of:"
echo " archive -archiveName NAME -p <parent path> <src>* <dest>" echo " archive -archiveName NAME -p <parent path> <src>* <dest>"
echo " create a Hadoop archive" echo " create a Hadoop archive"
echo " checknative [-a|-h] check native Hadoop and compression " echo " checknative [-a|-h] check native Hadoop and compression "
@ -39,8 +41,6 @@ function hadoop_usage()
echo " key manage keys via the KeyProvider" echo " key manage keys via the KeyProvider"
echo " trace view and modify Hadoop tracing settings" echo " trace view and modify Hadoop tracing settings"
echo " version print the version" echo " version print the version"
echo " or"
echo " CLASSNAME run the class named CLASSNAME"
echo "" echo ""
echo "Most commands print help when invoked w/o parameters." echo "Most commands print help when invoked w/o parameters."
} }

10
hadoop-yarn-project/hadoop-yarn/bin/yarn
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@ -17,9 +17,10 @@
function hadoop_usage function hadoop_usage
{ {
echo "Usage: yarn [--config confdir] [--daemon (start|stop|status)]" echo "Usage: yarn [--config confdir] [COMMAND | CLASSNAME]"
echo " [--loglevel loglevel] COMMAND" echo " CLASSNAME run the class named CLASSNAME"
echo "where COMMAND is one of:" echo " or"
echo " where COMMAND is one of:"
echo " application prints application(s) report/kill application" echo " application prints application(s) report/kill application"
echo " applicationattempt prints applicationattempt(s) report" echo " applicationattempt prints applicationattempt(s) report"
echo " classpath prints the class path needed to get the" echo " classpath prints the class path needed to get the"
@ -39,8 +40,7 @@ function hadoop_usage
echo " sharedcachemanager run the SharedCacheManager daemon" echo " sharedcachemanager run the SharedCacheManager daemon"
echo " timelineserver run the timeline server" echo " timelineserver run the timeline server"
echo " version print the version" echo " version print the version"
echo " or" echo ""
echo " CLASSNAME run the class named CLASSNAME"
echo "Most commands print help when invoked w/o parameters." echo "Most commands print help when invoked w/o parameters."
} }