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jhat

Java Heap Analysis Tool.

More information.

• 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}

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