shell脚本

#!/bin/bash
##
# author 刘云生
##
# 获取所有的application数量
app_nums=`yarn  application -list | wc -l `

echo "app_nums: $app_nums"


apps=`yarn  application -list | awk '{print $1}'|head -$app_nums | tail -n 100`

echo "apps: $apps"


for app in $apps
do
if [ "$app" != "Application-Id"  ];then
  echo "$app is killing"
  yarn  application -kill $app
fi

done