tomcat内存修改

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Linux下修改JVM内存大小:

要添加在tomcat 的bin 下catalina.sh 里，位置cygwin=false前。注意引号要带上,红色的为新添加的.

# OS specific support. $var _must_ be set to either true or false.
JAVA_OPTS="-Xms256m -Xmx512m -Xss1024K -XX:PermSize=128m -XX:MaxPermSize=256m"
cygwin=false

1.用startup.bat启动方式
修改catalina.bat中的121行后加入,详细如下:
rem ----- Execute The Requested Command ---------------------------------------
set JAVA_OPTS=-Xms512m -Xmx1024m(需加入的)

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

2.用service.bat做成Windows服务方式
修改service.bat中的123行中修改,--JvmMs 128 --JvmMx 256为需要的值,建议--JvmMs 512 --JvmMx 1024
"%EXECUTABLE%" //US//%SERVICE_NAME% ++JvmOptions "-Djava.io.tmpdir=%CATALINA_BASE%\temp;-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager;-Djava.util.logging.config.file=%CATALINA_BASE%\conf\logging.properties" --JvmMs 128 --JvmMx 256

修改注册表HKEY_LOCAL_MACHINE\SOFTWARE\Apache Software Foundation\Tomcat Service Manager\Tomcat5\Parameters\JavaOptions
-XX:PermSize=512M
-XX:MaxPermSize=512m
-Xms1024m
-Xmx1024m

3.绿色版Tomcat做成Windos服务的方式
创建命令:service.bat install tomcat
删除命令:service.bat remove tomcat

命令执行如下:
cmd
cd D:\peter\tomcat-6.0.18\bin
d:
service.bat install tomcat

Installing the service 'tomcat' ...
Using CATALINA_HOME: D:\peter\tomcat-6.0.18
Using CATALINA_BASE: D:\peter\tomcat-6.0.18
Using JAVA_HOME: D:\Java\jdk1.6.0_03
Using JVM: D:\Java\jdk1.6.0_03\jre\bin\server\jvm.dll
The service 'tomcat' has been installed.

service.bat remove tomcat
The service 'tomcat' has been removed

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