Analysis Date | JDK | Operating System | CPU Architecture | Debug JVM? |
---|---|---|---|---|
2021-11-25 | 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 |
---|---|---|---|---|
PrintHeapAtGC | boolean | Print heap layout before and after each GC | false | true |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
PrintGCDateStamps | boolean | Print date stamps at garbage collection | false | true |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
loggc | <file> | log GC status to a file with time stamps | ::/u02/data/domains/prddlj01_domain/servers/sites_server_1/logs/gc_sites1.log | |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
UseGCLogFileRotation | boolean | Rotate gclog files (for long running applications). It requires -Xloggc:<filename> |
false | true |
Analysis | OK |
Name | Type | Description | Default Value | Your Value |
---|---|---|---|---|
NumberOfGCLogFiles | int | Number of gclog files in rotation (default: 0, no rotation) |
0 | 10 |
Analysis | OK |
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 | 30M |
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 |
---|---|---|---|---|
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 |
---|---|---|---|---|
StartFlightRecording | string | Start flight recording with options | NULL | duration=0s,maxage=86400s,filename=/u03/JFR/stack1/node1/JFR.jfr,dumponexit=true |
Analysis | This switch is not available until OpenJDK11. 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 | 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 | /u03/Heapdumps/PROD/node1> |
Analysis | OK |