jhat
Java heap analysis tool. More information: https://docs.oracle.com/javase/8/docs/technotes/tools/unix/jhat.html.
- Analyze a heap dump (from
jmap), view via HTTP on port 7000:
jhat {{dump_file.bin}}
- Analyze a heap dump, specifying an alternate port for the HTTP server:
jhat -p {{port}} {{dump_file.bin}}
- Analyze a dump letting
jhatuse up to 8 GB RAM (2-4x dump size recommended):
jhat -J-mx8G {{dump_file.bin}}