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-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms512m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=256m -XX:+UseG1GC -XX:+DisableExplicitGC |
For Linux JVMs, see: http://docs.oracle.com/javase/8/docs/technotes/tools/unix/java.html
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- Set the maximum 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 errors will occur.
-XX:+UseG1GC
- Enables the use of the garbage-first (G1) garbage collector. It is a server-style garbage collector, targeted for multiprocessor machines with a large amount of RAM. It meets GC pause time goals with high probability, while maintaining good throughput. The G1 collector is recommended for applications requiring large heaps (sizes of around 6 GB or larger) with limited GC latency requirements (stable and predictable pause time below 0.5 seconds).
-XX:+DisableExplicitGC
- Disable calls to System.gc(), JVM still performs garbage collection when necessary.
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