Difference between revisions of "Template:JAVA OPTIONS"
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<noinclude>[[Category:Templates]]</noinclude> | <noinclude>[[Category:Templates]]</noinclude> | ||
| − | To set the heap memory to be used by a java program export the '_JAVA_OPTIONS' variable in the environment the program runs in - either on the command line, in a personal module, or in a job script. For example, | + | To set the heap memory to be used by a java program export the ''_JAVA_OPTIONS'' variable in the environment the program runs in - either on the command line, in a personal module, or in a job script. For example, |
export _JAVA_OPTIONS="-Xms1g -Xmx4g" | export _JAVA_OPTIONS="-Xms1g -Xmx4g" | ||
| − | will set Java heap memory usage to a minimum of 1g and a maximum of 4g. | + | will set Java heap memory usage to a minimum of 1g and a maximum of 4g. Please note that ''_JAVA_OPTIONS'' environment variable overrides the respective command-line arguments such as ''java -Xmx500m -jar someprogram.jar...''. |
Revision as of 15:24, 19 December 2014
To set the heap memory to be used by a java program export the _JAVA_OPTIONS variable in the environment the program runs in - either on the command line, in a personal module, or in a job script. For example,
export _JAVA_OPTIONS="-Xms1g -Xmx4g"
will set Java heap memory usage to a minimum of 1g and a maximum of 4g. Please note that _JAVA_OPTIONS environment variable overrides the respective command-line arguments such as java -Xmx500m -jar someprogram.jar....