VM Options Explorer - Switch comparison of OpenJDK11 vs Dragonwell JDK11

Hey Reader! If these notes float your boat you'll find more great JVM info in this book I co-wrote! Optimizing Java: Practical techniques for improving JVM application performance

Dragonwell JDK11 changed default values for:

NameOpenJDK11 valueDragonwell JDK11 value
ZVerifyMarkingfalsetrueInDebug

Dragonwell JDK11 added:

ArrayAllocationWarningSize
DefaultCoroutineStackSize
EnableCoroutine
PrintThreadCoroutineInfo
SoftMaxHeapSize
UseOWSTTaskTerminator
UseWisp2
UseWispMonitor
VerboseWisp
Wisp2ThreadStop
ZHighUsagePercent
ZMarkStackSpaceLimit
ZMediumObjectUpperBound
ZRelocationReservePercent
ZUncommit
ZUncommitDelay
ZUnloadClassesFrequency
ZVerifyViews

Dragonwell JDK11 removed:

ZConcurrentJNIWeakGlobalHandles
ZConcurrentStringTable
ZConcurrentVMWeakHandles
ZMarkStacksMax
ZOptimizeLoadBarriers
ZStallOnOutOfMemory
ZStatisticsForceTrace
ZUnmapBadViews
ZWeakRoots