jhat
jhat
TLDR
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 jhat use up to 8GB RAM (2-4x dump size recommended)
$ jhat -J-mx8G [dump_file.bin]