Java Fundamentals Learning JVM virtual Machine parameter configuration

1) Set-XMS,-xmx equal;

2) Set newsize, Maxnewsize equal;

3) Set heap size, PermGen space:

Example of TOMCAT configuration: modifying%tomcat_home%/bin/catalina.bat or catalina.sh

Add the following line to the "echo" Using catalina_base: $CATALINA _base "":

CMD code

1. Set java_opts=-xms800m-xmx800m-xx:permsize=128m-xx:maxnewsize=256m-xx:maxpermsize=256m

Four: CORRECNTGC

Java Fundamentals Learning JVM virtual Machine parameter configuration