#!/bin/bash | |
# | |
# Run a Hadoop command on all slave hosts. | |
usage="Usage: hadoop-daemons.sh [start|stop] command args..." | |
# if no args specified, show usage | |
if [ $# -le 1 ]; then | |
echo $usage | |
exit 1 | |
fi | |
bin=`dirname "$0"` | |
bin=`cd "$bin"; pwd` | |
HADOOP_HOME="$bin/.." | |
exec "$bin/slaves.sh" cd "$HADOOP_HOME" \; "$bin/hadoop-daemon.sh" "$@" |