JVM parameters

chncaesar發表於2013-10-31
JVM
-Xms and -Xmx
The flag Xmx is maximum memory allocation pool, while Xms is the initial memory allocation pool.
XX:PermSize:
The permanent space is where are stored the class, methods, internalized strings, and similar objects used by the VM and never deallocated.
Example:
XX:PermSize=128m
XX:MaxPermSize=256M
-Xms256m -Xmx512m

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