JaCoLine - Viewing Historical Command Line #3169
| Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
|---|---|---|---|---|
| 2021-10-13 | OpenJDK11 | Linux | aarch64 | N |
Results
Switches Identified
Switch Analysis
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| HeapDumpOnOutOfMemoryError | boolean | Dump heap to file when java.lang.OutOfMemoryError is thrown | false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| HeapDumpPath | string | When HeapDumpOnOutOfMemoryError is on, the path (filename or directory) of the dump file (defaults to java_pid<pid>.hprof in the working directory) |
NULL | /var/output/logs |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| ErrorFile | string | If an error occurs, save the error data to this file [default: ./hs_err_pid%p.log] (%p replaced with pid) |
NULL | /var/output/logs/jvm_error.log |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| ms | <size> | set initial Java heap size | 11G | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| mx | <size> | set maximum Java heap size | 11G | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| mn | <size> | sets the initial and maximum size (in bytes) of the heap for the young generation (nursery) |
:8G | |
| Analysis | This switch is not available until OpenJDK13. Your analysis was for OpenJDK11 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| MaxGCPauseMillis | int | Adaptive size policy maximum GC pause time goal in millisecond, or (G1 Only) the maximum GC time per MMU time slice |
max_uintx - 1 in range(1, max_uintx - 1) | 100 |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseConcMarkSweepGC | boolean | Use Concurrent Mark-Sweep GC in the old generation | false | true |
| Analysis | This switch will be removed in the future. It will be Obsoleted in OpenJDK14. Expired in OpenJDK15. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| CMSParallelRemarkEnabled | boolean | Whether parallel remark enabled (only if ParNewGC) | true | true |
| Analysis | This switch will be removed in the future. It will be Obsoleted in OpenJDK14. Expired in OpenJDK15. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseParNewGC | boolean | Use parallel threads in the new generation | false | true |
| Analysis | This switch was removed after OpenJDK9. Your analysis was for OpenJDK11 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| CMSScavengeBeforeRemark | boolean | Attempt scavenge before the CMS remark step | false | true |
| Analysis | This switch will be removed in the future. It will be Obsoleted in OpenJDK14. Expired in OpenJDK15. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| MaxTenuringThreshold | int | Maximum value for tenuring threshold | 15 in range(0, markOopDesc::max_age + 1) | 10 |
| 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 |
|---|---|---|---|---|
| AlwaysPreTouch | boolean | Force all freshly committed pages to be pre-touched | false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| OmitStackTraceInFastThrow | boolean | Omit backtraces for some 'hot' exceptions in optimized code | true | false |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| UseCMSInitiatingOccupancyOnly | boolean | Only use occupancy as a criterion for starting a CMS collection | false | true |
| Analysis | This switch will be removed in the future. It will be Obsoleted in OpenJDK14. Expired in OpenJDK15. | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| CMSInitiatingOccupancyFraction | int | Percentage CMS generation occupancy to start a CMS collection cycle. A negative value means that CMSTriggerRatio is used |
-1 in range(min_intx, 100) | 20 |
| Analysis | This switch will be removed in the future. It will be Obsoleted in OpenJDK14. Expired in OpenJDK15. | |||
| 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 OpenJDK11 | |||
| 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 | 0 |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK11 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| NumberOfGCLogFiles | int | Number of gclog files in rotation (default: 0, no rotation) |
0 | 2 |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK11 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| loggc | ::/var/output/logs/gc.log | |||
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintGCApplicationStoppedTime | boolean | Print the time the application has been stopped | false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK11 | |||
| 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 OpenJDK11 | |||
| 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 |
|---|---|---|---|---|
| PrintGCDateStamps | boolean | Print date stamps at garbage collection | false | true |
| Analysis | This switch was removed after OpenJDK8. Your analysis was for OpenJDK11 | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| loggc | ${APOLLO_ACTUAL_ENVIRONMENT_ROOT}/var/output/logs/gc.log-XX:OnOutOfMemoryError="/bin/kill | |||
| Analysis | OK | |||