JaCoLine - Viewing Historical Command Line #2760
| Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
|---|---|---|---|---|
| 2021-04-29 | OpenJDK16 | Linux | x86 | N |
Results
Switches Identified
Switch Analysis
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| mx | <size> | set maximum Java heap size | 256m | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| ms | <size> | set initial Java heap size | 256m | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseBiasedLocking | boolean | (Deprecated) Enable biased locking in JVM | false | 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 |
|---|---|---|---|---|
| UseGCLogFileRotation | boolean | Rotate gclog files (for long running applications). It requires -Xloggc:<filename> |
false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| NumberOfGCLogFiles | int | Number of gclog files in rotation (default: 0, no rotation) |
0 | 10 |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| GCLogFileSize | int | GC log file size, requires UseGCLogFileRotation. Set to 0 to only trigger rotation via jcmd |
8*K | 2m |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintSafepointStatistics | boolean | (Deprecated) Print statistics about safepoint synchronization | false | true |
| Analysis | This switch was removed after OpenJDK11. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintGCDetails | boolean | Print more details at garbage collection. Deprecated, use -Xlog:gc* instead. |
false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintGCTimeStamps | boolean | Print timestamps at garbage collection | false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintGCDateStamps | boolean | Print date stamps at garbage collection | false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintTenuringDistribution | boolean | Print tenuring age information | false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK16 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| loggc | <file> | log GC status to a file with time stamps. This option is deprecated and may be removed in a future release. It is replaced by -Xlog:gc:<file>. |
::gc.log | |
| Analysis | OK | |||