#!/bin/bash
if [ ! -z "$(jps | grep TaskTracker)" ];then /opt/hadoop/bin/hadoop-daemon.sh stop tasktracker ; fi
if [ ! -z "$(jps | grep DataNode)" ];then /opt/hadoop/bin/hadoop-daemon.sh stop datanode ; fi
if [ ! -z "$(jps | grep JobTracker)" ];then /opt/hadoop/bin/hadoop-daemon.sh stop jobtracker ; fi
if [ ! -z "$(jps | grep SecondaryNameNode)" ];then /opt/hadoop/bin/hadoop-daemon.sh stop secondarynamenode ; fi
if [ ! -z "$(jps | grep NameNode)" ]; then /opt/hadoop/bin/hadoop-daemon.sh stop namenode ; fi