jmap

> Java Memory Map Tool.

Print shared object mappings for a Java process (output like pmap):

jmap {java_pid}

Print heap summary information:

jmap -heap {filename.jar} {java_pid}

Print histogram of heap usage by type:

jmap -histo {java_pid}

Dump contents of the heap into a binary file for analysis with jhat:

jmap -dump:format=b,file={filename} {java_pid}

> This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

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