[root@hadoop01 software]# cat myhadoop.sh #!/bin/bash #检查脚本参数个数 if [ $# -lt 1 ] then echo "No Args Input... please input [start|stop]" fi case $1 in "start") echo " ============================= 启动 hadoop 集群 =================================" echo " ----------------------------- 启动 hdfs ----------------------------------------" ssh hadoop01 "/home/software/hadoop-3.1.3/sbin/start-dfs.sh" echo " ----------------------------- 启动 yarn -----------------------------------------" ssh hadoop02 "/home/software/hadoop-3.1.3/sbin/start-yarn.sh" echo " ----------------------------- 启动 historyserver --------------------------------" ;; "stop") echo " ============================= 关闭 hadoop 集群 =================================" echo " ----------------------------- 关闭 historyserver --------------------------------" echo " ----------------------------- 关闭 yarn -----------------------------------------" ssh hadoop02 "/home/software/hadoop-3.1.3/sbin/stop-yarn.sh" echo " ----------------------------- 关闭 hdfs ----------------------------------------" ssh hadoop01 "/home/software/hadoop-3.1.3/sbin/stop-dfs.sh" ;; *) echo "Input Args Error... please input [start|stop]" ;; esac
-- 批量检查集群服务
[root@hadoop01 software]# cat jpsall #!/bin/bash for host in hadoop01 hadoop02 hadoop03 do echo "=============== $host =====================" ssh $host jps done