Set default heap size in Windows

Question

I want to set Java heap size permanently and don t want to run every jar file with options  I use Windows and Java 1 7

User · Answer

Try setting a Windows System Environment variable called  JAVA OPTIONS with the heap size you want   Java should be able to find it and act accordingly

User · Answer

Setup JAVA OPTS as a system variable with the following content   JAVA OPTS  -Xms256m -Xmx512m   After that in a command prompt run the following commands   SET JAVA OPTS  -Xms256m -Xmx512m    This can be explained as follows    allocate at minimum 256MBs of heap allocate at maximum 512MBs of heap   These values should be changed according to application requirements   EDIT   You can also try adding it through the Environment Properties menu which can be found at    From the Desktop  right-click My Computer and click Properties   Click Advanced System Settings link in the left column   In the System Properties window click the Environment Variables button  Click New to add a new variable name and value  For variable name enter JAVA OPTS for variable value enter -Xms256m -Xmx512m Click ok and close the System Properties Tab  Restart any java applications    EDIT 2   JAVA OPTS is a system variable that stores various settings configurations for your local Java Virtual Machine  By having JAVA OPTS set as a system variable all applications running on top of the JVM will take their settings from this parameter   To setup a system variable you have to complete the steps listed above from 1 to 4

[java] Set default heap size in Windows

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