tomcat状态排查

自己根据工作内容写的tomcat排查脚本

 

#! /bin/bash

echo -e "\033[36m查看tomcat进程是否还在\033[0m"

ps -ef | grep -w tomcat

echo" "

 

echo -e "\033[36m开始打出GC堆摘要\033[0m"

pids=`ps -ef | grep java | grep -w tomcat | awk '{print $2}'`

jmap -heap ${pids}

sleep 1

 

echo " "

echo -e "\033[36m开始打出GC使用情况\033[0m"

jstat -gcutil ${pids} 250 7

 

echo " "

echo -e "\033[36m开始打开内存,磁盘使用情况\033[0m"

free -h && df -h

sleep 1

 

echo " "

echo -e "\033[36m查看TCP连接状态\033[0m"

netstat -an|awk '/tcp/ {print $6}'|sort|uniq -c

sleep 1

 

echo " "

echo -e "\033[31m在当前目录已打出JAVA线程文件thread.txt\033[0m"

jstack ${pids} > thread.txt