JaCoLine - Viewing Historical Command Line #2312
| Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
|---|---|---|---|---|
| 2020-10-14 | OpenJDK8 | Linux | x86 | N |
Results
Switches Identified
Switch Analysis
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| PrintGCDetails | boolean | Print more details at garbage collection | false | true |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| OnOutOfMemoryError | list of strings | Run user-defined commands on first java.lang.OutOfMemoryError | /usr/local/sbin/tomcatOutOfMemory.sh | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| Analysis | Switch not found in any JDK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| mx | <size> | set maximum Java heap size | 4096m | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| ms | <size> | set initial Java heap size | 1024m | |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PermSize | int | Initial size of permanent generation (in bytes) |
|
512m | |||||||||
| Analysis | This switch was removed after OpenJDK7. Your analysis was for OpenJDK8 | ||||||||||||
| Name | Type | Description | Default Value | Your Value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MaxPermSize | int | Maximum size of permanent generation (in bytes) |
|
1024m | |||||||||
| Analysis | This switch was removed after OpenJDK7. Your analysis was for OpenJDK8 | ||||||||||||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| HeapDumpOnOutOfMemoryError | boolean | Dump heap to file when java.lang.OutOfMemoryError is thrown | false | false |
| 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/tmp/tomcat_d |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ReservedCodeCacheSize | int | Reserved code cache size (in bytes) - maximum code cache size |
|
512m | |||||||||
| Analysis | OK | ||||||||||||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| Unlock | true | |||
| Analysis | Switch not found in any JDK | |||
| 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 |
|---|---|---|---|---|
| G1HeapRegionSize | int | Size of the G1 regions. | 0 | 4m |
| Analysis | OK | |||
| 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 | 50 |
| Analysis | OK | |||
| 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 | false |
| Analysis | OK | |||
| Name | Type | Description | Default Value | Your Value |
|---|---|---|---|---|
| StackShadowPages | int | Number of shadow zone (for overflow checking) pages this should exceed the depth of the VM and native call stack |
4 DEBUG_ONLY(+5) | 20 |
| Analysis | OK | |||