tomcat7 cpu 占用率过高调整
时间:2015-02-02 16:15 来源:linux.it.net.cn 作者:IT
启动脚本将JAVA_OPTS参数设置:
vi /etc/rc.d/init.d/tomcat
#!/bin/bash
# chkconfig: 2345 10 90
# description: Starts and Stops the Tomcat daemon.
export CATALINA_HOME=/usr/local/tomcat/apache-tomcat-7.0.53
export JAVA_HOME=/usr/java/jdk1.7.0_55
export JAVA_OPTS="-server \
-Dfile.encoding=UTF-8 \
-Dcatalina.logbase=/home/webapp/logs/tomcat7 \
-Dnet.sf.ehcache.skipUpdateCheck=true \
-XX:+DoEscapeAnalysis \
-XX:+UseConcMarkSweepGC \
-XX:+CMSClassUnloadingEnabled \
-XX:+UseParNewGC \
-XX:MaxPermSize=512m \
-Xms1024m -Xmx2048m"
export PATH=$JAVA_HOME/bin:$PATH
TOMCAT_START=$CATALINA_HOME/bin/startup.sh
TOMCAT_STOP=$CATALINA_HOME/bin/shutdown.sh
# source function library.
. /etc/rc.d/init.d/functions
# check that networking is up.
[ "${NETWORKING}" = "no" ] && exit 0
# check for tomcat script
if [ ! -f $CATALINA_HOME/bin/catalina.sh ]; then
echo "Tomcat not valilable..."
exit
fi
start(){
echo -n "Starting Tomcat: "
daemon $TOMCAT_START
echo
touch /var/lock/subsys/tomcat
}
stop(){
ps ax --width=1000 | grep "[o]rg.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' \
| wc | awk '{print $2}' > /tmp/tomcat_process_count.txt
read line < /tmp/tomcat_process_count.txt
if [ $line -gt 0 ]; then
echo -n "tomcat ( pid "
ps ax --width=1000 | grep "org.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}'
echo -n ") is running..."
echo
echo -n $"Shutting down Tomcat: "
daemon $TOMCAT_STOP
rm -f /var/lock/subsys/tomcat.pid echo
else
echo "Tomcat is stopped"
fi
}
restart(){
stop
start
}
status(){
ps ax --width=1000 | grep "[o]rg.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' \
| wc | awk '{print $2}' > /tmp/tomcat_process_count.txt
read line < /tmp/tomcat_process_count.txt
if [ $line -gt 0 ]; then
echo -n "tomcat ( pid "
ps ax --width=1000 | grep "org.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}'
echo -n ") is running..."
echo
else
echo "Tomcat is stopped"
fi
}
case "$1" in
start)
start ;;
stop)
stop ;;
restart)
stop
sleep 3
start ;;
status)
status ;;
*)
echo "Usage: tomcatd {start|stop|restart|status}"
exit 1
esac
exit 0
(责任编辑:IT)
启动脚本将JAVA_OPTS参数设置: vi /etc/rc.d/init.d/tomcat #!/bin/bash # chkconfig: 2345 10 90 # description: Starts and Stops the Tomcat daemon. export CATALINA_HOME=/usr/local/tomcat/apache-tomcat-7.0.53 export JAVA_HOME=/usr/java/jdk1.7.0_55 export JAVA_OPTS="-server \ -Dfile.encoding=UTF-8 \ -Dcatalina.logbase=/home/webapp/logs/tomcat7 \ -Dnet.sf.ehcache.skipUpdateCheck=true \ -XX:+DoEscapeAnalysis \ -XX:+UseConcMarkSweepGC \ -XX:+CMSClassUnloadingEnabled \ -XX:+UseParNewGC \ -XX:MaxPermSize=512m \ -Xms1024m -Xmx2048m" export PATH=$JAVA_HOME/bin:$PATH TOMCAT_START=$CATALINA_HOME/bin/startup.sh TOMCAT_STOP=$CATALINA_HOME/bin/shutdown.sh # source function library. . /etc/rc.d/init.d/functions # check that networking is up. [ "${NETWORKING}" = "no" ] && exit 0 # check for tomcat script if [ ! -f $CATALINA_HOME/bin/catalina.sh ]; then echo "Tomcat not valilable..." exit fi start(){ echo -n "Starting Tomcat: " daemon $TOMCAT_START echo touch /var/lock/subsys/tomcat } stop(){ ps ax --width=1000 | grep "[o]rg.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' \ | wc | awk '{print $2}' > /tmp/tomcat_process_count.txt read line < /tmp/tomcat_process_count.txt if [ $line -gt 0 ]; then echo -n "tomcat ( pid " ps ax --width=1000 | grep "org.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' echo -n ") is running..." echo echo -n $"Shutting down Tomcat: " daemon $TOMCAT_STOP rm -f /var/lock/subsys/tomcat.pid echo else echo "Tomcat is stopped" fi } restart(){ stop start } status(){ ps ax --width=1000 | grep "[o]rg.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' \ | wc | awk '{print $2}' > /tmp/tomcat_process_count.txt read line < /tmp/tomcat_process_count.txt if [ $line -gt 0 ]; then echo -n "tomcat ( pid " ps ax --width=1000 | grep "org.apache.catalina.startup.Bootstrap start" | awk '{printf $1 " "}' echo -n ") is running..." echo else echo "Tomcat is stopped" fi } case "$1" in start) start ;; stop) stop ;; restart) stop sleep 3 start ;; status) status ;; *) echo "Usage: tomcatd {start|stop|restart|status}" exit 1 esac exit 0(责任编辑:IT) |