jhat: Java heap analysis tool
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jhat is a Java heap analysis tool.
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 8 GB RAM (2-4x dump size recommended):
jhat -J-mx8G dump_file.bin
More information: https://docs.oracle.com/javase/8/docs/technotes/tools/unix/jhat.html .
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