Tomcat Performance Monitoring and tuning

1. Performance monitoring

Mode 1:/usr/local/tomcat7/conf/tomcat-users.xml Add the following:

<role rolename="Manager-gui"/>    <role rolename="Manager-script"/>    <role rolename="manager-jmx"/>    <role rolename="Manager-status"/>    <user username="admin" password= "admin" roles=" Manager-gui "/>   <user username="tomcat" password="Tomcat" roles ="Manager-gui,manager-script,manager-jmx,manager-status"/>

Mode 2: Modify the/usr/local/tomcat7/bin/catalina.sh file:

To find the line:

#-----ExecuteTheRequestedCommand-----

Above the line, add the following line of information:

CATALINA_OPTS="$CATALINA_OPTS -Dcom.sun.management.jmxremote -Djava.rmi.server.hostname=XXX.XXX.XXX.XXX -Dcom.sun.management.jmxremote.port=8888 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false"

Method 3: Graph drawing by associating and customizing monitoring in LR:

2. Performance issues

An explicit memory leak &cpu100%

(1) Location analysis via stack or thread dump
(2) Through JVISUALVM positioning analysis

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Tomcat Performance Monitoring and tuning