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-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms512m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:PermSizeMetaspaceSize=256m -XX:MaxPermSizeMaxMetaspaceSize=256m -XX:+DisableExplicitGC |
For Linux JVMs, see: http://docs.oracle.com/javase/8/docs/technotes/tools/unix/java.html
-Djava.awt.headless=true
- Headless mode is a system configuration in which the display device, keyboard, or mouse is lacking. Sounds unexpected, but actually you can perform different operations in this mode, even with graphic data.
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- Set the maximal Java Heap memory size to 1024 Megabytes
-XX:NewSize=256m
- Set the default initial size of new generation to 256 Megabytes
-XX:MaxNewSize=256m
- Set the default maximum size of new generation to 256 Megabytes
-XX:
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MetaspaceSize=64m
- Set the initial HotSpot PermGen Memory size size of the allocated class metadata space that will trigger a garbage collection the first time it is exceeded to 64 Megabytes
-XX:
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MaxMetaspaceSize=256m
- Set the maximum PermGen size size of native memory that can be allocated for class metadata to 256 Megabytes. This is especially recommended when redeploying Fedora 4 often, since otherwise OutOfMemory in the PermGen space errors will occur.
-XX:+DisableExplicitGC
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