Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
---|---|---|---|---|
2021-01-13 | OpenJDK11 | Linux | x86 | N |
Results
Switches Identified
Switch Analysis
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 |
---|---|---|---|---|
MaxMetaspaceSize | size_t | Maximum size of Metaspaces (in bytes) | max_uintx | 512M |
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 |
---|---|---|---|---|
UseStringDeduplication | boolean | Use string deduplication | false | true |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
StringDeduplicationAgeThreshold | int | A string must reach this age (or be promoted to an old region) to be considered for deduplication |
3 in range(1, markOopDesc::max_age) | 10 |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
NewRatio | int | Ratio of old/new generation sizes | 2 in range(0, max_uintx-1) | 1 |
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 |
---|---|---|---|---|
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 | outofmemory.log |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
log | <opts> | control JVM logging, use -Xlog:help for details | gc*:file=/home/despegar/gc.log:tags,uptime,time,level:filesize=1m,filecount=2 | |
Analysis | OK |