This video series aims to explain various performance issues such as memory, cpu, threads etc and how to identify them by simulating using the BuggyApp.
- Eclipse MAT
- BuggyApp
- yCrash
jcmd
- Frequently used commands:
jcmd -l
to list out all the running processesjcmd <process-id> VM.flags
- to view all the JVM arguments
- Frequently used commands:
jps
- Frequently used commands:
jps
- Frequently used commands:
jinfo
- Frequently used commands:
jinfo -flags <process-id>
- to print all the VM flagsjinfo -sysprops <process-id>
- to view system properties
- Frequently used commands: