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lmmendes/jvm.md

Created February 6, 2018 12:42
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JVM Stats
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jvm.md

vmstat <ms>

Shows virtual memory stats every ms millis.

jps -lvm

Shows the java processes running, their PID, and command line arguments.

jcmd <pid> help

Allows to list the possible commands to send to the JVM. For example: jcm <pid> VM.version

jstack <pi>

Lists all the running threads of the JVM and their stack trace (meaning, where they are at the moment).

jstat <option> -t -h20 <pid> 1s

Shows stats every 1s. Example options: compiler, printcompilation, class, gcutil

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