JaCoLine - Viewing Historical Command Line #2725

Analysis Date JDK Operating System CPU Architecture Debug JVM?
2021-04-15 OpenJDK7 Windows x86 N
Results
Switches Identified
Switch Analysis
Name Type Description Default Value Your Value
NewRatio int Ratio of new/old generation sizes 2 1
Analysis OK
Name Type Description Default Value Your Value
UseG1GC boolean Use the Garbage-First garbage collector false true
Analysis OK
Name Type Description Default Value Your Value
ParallelRefProcEnabled boolean Enable parallel reference processing whenever possible false true
Analysis OK
Name Type Description Default Value Your Value
MaxGCPauseMillis int Adaptive size policy maximum GC pause time goal in msec,
or (G1 Only) the max. GC time per MMU time slice
max_uintx 200
Analysis OK
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
AlwaysPreTouch boolean It forces all freshly committed pages to be pre-touched. false true
Analysis OK
Name Type Description Default Value Your Value
G1NewSizePercent int Percentage (0-100) of the heap size to use as default
minimum young gen size.
5 30
Analysis OK
Name Type Description Default Value Your Value
G1MaxNewSizePercent int Percentage (0-100) of the heap size to use as default
maximum young gen size.
60 40
Analysis OK
Name Type Description Default Value Your Value
G1HeapRegionSize int Size of the G1 regions. 0 8M
Analysis OK
Name Type Description Default Value Your Value
G1ReservePercent int It determines the minimum reserve we should have in the heap
to minimize the probability of promotion failure.
10 20
Analysis OK
Name Type Description Default Value Your Value
G1HeapWastePercent int Amount of space, expressed as a percentage of the heap size,
that G1 is willing not to collect to avoid expensive GCs.
10 5
Analysis OK
Name Type Description Default Value Your Value
G1MixedGCCountTarget int The target number of mixed GCs after a marking cycle. 8 4
Analysis OK
Name Type Description Default Value Your Value
InitiatingHeapOccupancyPercent int Percentage of the (entire) heap occupancy to start a
concurrent GC cycle. It us used by GCs that trigger a
concurrent GC cycle based on the occupancy of the entire heap,
not just one of the generations (e.g., G1). A value of 0
denotes 'do constant GC cycles'.
45 15
Analysis OK
Name Type Description Default Value Your Value
G1MixedGCLiveThresholdPercent int Threshold for regions to be considered for inclusion in the
collection set of mixed GCs.
Regions with live bytes exceeding this will not be collected.
65 90
Analysis OK
Name Type Description Default Value Your Value
SurvivorRatio int Ratio of eden/survivor space size 8 32
Analysis OK
Name Type Description Default Value Your Value
PerfDisableSharedMem boolean Store performance data in standard memory false true
Analysis OK
Name Type Description Default Value Your Value
MaxTenuringThreshold int Maximum value for tenuring threshold 15 1
Analysis OK
Name Type Description Default Value Your Value
UseLargePages boolean Use large page memory false true
Analysis OK