about shenandoah

collecting resources of this garbage collector.

###about this speech : Shenandoah GC: The Garbage Collector That Could : Aleksey Shipilev

https://vimeo.com/289626122

	young	old
serial parallel	copy(STW)	mark & compact(STW)
cms	copy(STW)	init mark(STW) & concurrent mark & finish mark(STW) & Concurrent swap
G1	copy(STW)	init mark(STW) & concurrent mark & finish mark(STW) & compact(STW)
shenandoah	init mark(STW) & concurrent mark & finish mark(STW) & Concurrent compact

latency = alpha * heapSize * MemoryRef(stw) * memoryAccessLatency

Shenandoah is regionalized GC. Similar to G1. Not generational by default. Not tracking refs into a region.