SE 8

Notable changes

• The permanent generation (PermGen) was removed.

Garbage collection

• Parallel
• The maximum number of GC threads is limited by heap size and available CPU resources

Heap size

• Initial heap size of $1/64$ of physical memory up to 1GB
• Maximum heap size of $1/4$ of physical memory up to 1GB

Runtime compiler

• Tiered compiler, using both C1 and C2

References

• HotSpot VM GC ergonomics

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Backlinks

• Data areas (public)
• SE 9 (public)