定时抓取服务器状态

#! /bin/sh

#get_current_time 特别注意以下几个必须手动引出，手动执行时和在crontab -e 中执行中环境不一样

export JAVA_HOME=/opt/jdk1.6.0_10/

export PATH=$JAVA_HOME/bin:$PATH

export CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar:$CLASSPATH

date=`date "+%Y-%m-%d-%H:%M:%S"`

Root="/data/dxm/"

jmapends=$Root$date"_jmap.txt"

jstackends=$Root$date"_jstack.txt"

jstateends=$Root$date"_jstate.txt"

#start to register the jmap message

echo "start to register the jmap to "$jmapends

jmap -histo:live `jps|grep Resin |awk 'NR==1'|awk '{print $1}'` > $jmapends

sleep 2

#start to register the jtack message

echo "start to register the jstack to "$jstackends

jstack -l `jps|grep Resin |awk 'NR==1'|awk '{print $1}'` > $jstackends

sleep 2

#start to register the jstate message

echo "start to register the jstate message to "$jstateends

jstat -gcutil -t -h20 `jps|grep Resin |awk 'NR==1'|awk '{print $1}'`  1000 20 > $jstateends