| #!/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" "$@" |