JaCoLine - Viewing Historical Command Line #2807

Analysis Date	JDK	Operating System	CPU Architecture	Debug JVM?
2021-06-01	OpenJDK11	Linux	x86	N

Results

Switches Identified

-XX:+UnlockExperimentalVMOptions

-XX:MaxMetaspaceSize=768m

-XX:MetaspaceSize=768m

-XX:+DisableExplicitGC

-XX:-UseBiasedLocking

-XX:+ClassUnloadingWithConcurrentMark

Switch Analysis

Name	Type	Description	Default Value	Your Value
UnlockExperimentalVMOptions	boolean	Enable normal processing of flags relating to experimental features	false	true
Analysis	OK

Name	Type	Description	Default Value	Your Value
UseZGC	boolean	Use the Z garbage collector	false	true
Analysis	OK

Name	Type	Description	Default Value	Your Value
ms	<size>	set initial Java heap size		2048m
Analysis	OK

Name	Type	Description	Default Value	Your Value
mx	<size>	set maximum Java heap size		2048m
Analysis	OK

Name	Type	Description	Default Value	Your Value
MaxMetaspaceSize	size_t	Maximum size of Metaspaces (in bytes)	max_uintx	768m
Analysis	OK

Name	Type	Description	Default Value	Your Value
MetaspaceSize	int	Initial threshold (in bytes) at which a garbage collection is done to reduce Metaspace usage	ScaleForWordSize(16*M)	768m
Analysis	OK

Name	Type	Description	Default Value	Your Value
DisableExplicitGC	boolean	Ignore calls to System.gc()	false	true
Analysis	OK

Name	Type	Description	Default Value	Your Value
UseBiasedLocking	boolean	Enable biased locking in JVM	true	false
Analysis	This switch will be removed in the future. It will be Deprecated in OpenJDK15. Obsoleted in OpenJDK18. Expired in OpenJDK19.

Name	Type	Description	Default Value	Your Value
ClassUnloadingWithConcurrentMark	boolean	Do unloading of classes with a concurrent marking cycle	true	true
Analysis	OK