Hadoop集羣常用腳本

hadoop羣起腳本

#!/bin/bash

if [ $# -lt 1 ]
then
    echo "No Args Input..."
    exit ;
fi

case $1 in
"start")
        echo " =================== 啓動 hadoop集羣 ==================="

        echo " --------------- 啓動 hdfs ---------------"
        ssh node101 "/opt/module/hadoop3.1.4/sbin/start-dfs.sh"
        echo " --------------- 啓動 yarn ---------------"
        ssh node102 "/opt/module/hadoop3.1.4/sbin/start-yarn.sh"
        echo " --------------- 啓動 historyserver ---------------"
        ssh node101 "/opt/module/hadoop3.1.4/bin/mapred --daemon start historyserver"
;;
"stop")
        echo " =================== 關閉 hadoop集羣 ==================="

        echo " --------------- 關閉 historyserver ---------------"
        ssh node101 "/opt/module/hadoop3.1.4/bin/mapred --daemon stop historyserver"
        echo " --------------- 關閉 yarn ---------------"
        ssh node102 "/opt/module/hadoop3.1.4/sbin/stop-yarn.sh"
        echo " --------------- 關閉 hdfs ---------------"
        ssh node101 "/opt/module/hadoop3.1.4/sbin/stop-dfs.sh"
;;
*)
    echo "Input Args Error..."
;;
esac

查看所有機器運行的情況

#!/bin/bash

for host in node101 node102 node103
do
        echo =============== $host ===============
        ssh $host jps 
done