Thread dump from a running JVM to a file, the -J-64 is 64bit JVMs:
- jmap -J-d64 -dump:format=b,file=<file> <pid>
Thread dump from a running JVM to stderr of the process:
- kill -3 <pid>
Heap dump from a running JVM, the -J-64 is 64bit JVMs:
- jmap -J-d64 -heap pid