简单的hadoop启动脚本
#!/bin/bash# The next lines are for chkconfig on RedHat systems.
# chkconfig: 35 98 02
# description: Starts and stops hadoop Server
#autor:516249940@qq.com
#date:2017-03-06
# The next lines are for chkconfig on SuSE systems.
# /etc/init.d/xxx
#
### BEGIN INIT INFO
# Provides: xxx
# Required-Start: $network $syslog
# Required-Stop:
# Default-Start: 2 3 5
# Default-Stop: 0 6
# Short-Description: Starts and stops hadoop Server
# Description: Starts and stops hadoop Server
### END INIT INFO
HADOOP_SBIN="/usr/local/hadoop/sbin"
JAVA_ETC="/etc/alternatives"
case $1 in
start)
$HADOOP_SBIN/start-dfs.sh
$HADOOP_SBIN/start-yarn.sh
$HADOOP_SBIN/mr-jobhistory-daemon.sh start historyserver
echo "the hadoop is ok"
;;
stop)
$HADOOP_SBIN/mr-jobhistory-daemon.sh stop historyserver
$HADOOP_SBIN/stop-yarn.sh
$HADOOP_SBIN/stop-dfs.sh
echo "the hadoopis stop"
;;
restart|reload|force-reload)
$HADOOP_SBIN/mr-jobhistory-daemon.sh stop historyserver
$HADOOP_SBIN/stop-yarn.sh
$HADOOP_SBIN/stop-dfs.sh
echo "the hadoopis stop"
sleep 3
$HADOOP_SBIN/start-dfs.sh
$HADOOP_SBIN/start-yarn.sh
$HADOOP_SBIN/mr-jobhistory-daemon.sh start historyserver
echo "the hadoop is ok"
;;
status) # 查看状态需要做的步骤
$JAVA_ETC/jps
;;
*) echo "$0 {start|stop|restart|status}"
exit 4
;;
esac
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