tomcat内存简单调优

#   JAVA_OPTS       (Optional) Java runtime options used when any command
#                   is executed.
#                   Include here and not in CATALINA_OPTS all options, that
#                   should be used by Tomcat and also by the stop process,
#                   the version command etc.
#                   Most options should go into CATALINA_OPTS.
#
JAVA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms700m -Xmx1024m -XX:NewSize=512m -XX:MaxNewSize=1024m -XX:PermSize=512m -XX:MaxPermSize=512m"
#   JAVA_ENDORSED_DIRS (Optional) Lists of of colon separated directories
#                   containing some jars in order to allow replacement of APIs
#                   created outside of the JCP (i.e. DOM and SAX from W3C).
#                   It can also be used to update the XML parser implementation.
#                   Defaults to $CATALINA_HOME/endorsed.

set "JAVA_OPTS=%JAVA_OPTS% %LOGGING_MANAGER%"

rem ----- Execute The Requested Command ---------------------------------------

set JAVA_OPTS=%JAVA_OPTS% -server -Xms2048m -Xmx2048m -Xmn512m -XX:PermSize=400m -XX:MaxPermSize=700m

echo Using CATALINA_BASE:   "%CATALINA_BASE%"
echo Using CATALINA_HOME2:   "%CATALINA_HOME2%"
echo Using CATALINA_TMPDIR: "%CATALINA_TMPDIR%"
if ""%1"" == ""debug"" goto use_jdk
echo Using JRE_HOME:        "%JRE_HOME%"
goto java_dir_displayed
:use_jdk
echo Using JAVA_HOME:       "%JAVA_HOME%"
:java_dir_displayed
echo Using CLASSPATH:       "%CLASSPATH%"