| Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
|---|---|---|---|---|
| 2021-10-13 | OpenJDK8 | Linux | x86 | N |
Results
Switches Identified
Switch Analysis
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| BytecodeVerificationLocal | boolean | Enable the Java bytecode verifier for local classes | false | false |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| BytecodeVerificationRemote | boolean | Enable the Java bytecode verifier for remote classes | true | false |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| CICompilerCount | int | Number of compiler threads to run | CI_COMPILER_COUNT | 3 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| FlightRecorder | boolean | Enable Flight Recorder | false | true |
| Analysis | This switch is not available until OpenJDK11. Your analysis was for OpenJDK8 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| FlightRecorderOptions | string | Flight Recorder options | NULL | defaultrecording=true |
| Analysis | This switch is not available until OpenJDK11. Your analysis was for OpenJDK8 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| InitialHeapSize | int | Initial heap size (in bytes); zero means use ergonomics | 0 | 268435456 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| ManagementServer | boolean | Create JMX Management Server | false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| MaxHeapSize | int | Maximum heap size (in bytes) | ScaleForWordSize(96*M) | 4271898624 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| MaxNewSize | int | Maximum new generation size (in bytes), max_uintx means set ergonomically |
max_uintx | 1423966208 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| MinHeapDeltaBytes | int | The minimum change in heap space due to GC (in bytes) | ScaleForWordSize(128*K) | 524288 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| NewSize | int | Initial new generation size (in bytes) | ScaleForWordSize(1*M) | 89128960 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| OldSize | int | Initial tenured generation size (in bytes) | ScaleForWordSize(4*M) | 179306496 |
| Analysis | This switch will be removed in the future. It will be Deprecated in OpenJDK23. Obsoleted in OpenJDK24. Expired in OpenJDK25. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| TieredStopAtLevel | int | Stop at given compilation level | 4 | 1 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UnlockCommercialFeatures | true | |||
| Analysis | Switch not found in any JDK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseCompressedClassPointers | boolean | Use 32-bit class pointers in 64-bit VM. lp64_product means flag is always constant in 32 bit VM |
false | true |
| Analysis | This switch will be removed in the future. It will be Deprecated in OpenJDK25. Obsoleted in OpenJDK26. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseCompressedOops | boolean | Use 32-bit object references in 64-bit VM. lp64_product means flag is always constant in 32 bit VM |
false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseFastUnorderedTimeStamps | boolean | Use platform unstable time where supported for timestamps only | false | true |
| Analysis | This switch is not available until OpenJDK11. Your analysis was for OpenJDK8 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseLargePagesIndividualAllocation | boolean | Allocate large pages individually for better affinity | false | false |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseParallelGC | boolean | Use the Parallel Scavenge garbage collector | false | true |
| Analysis | OK | |||
