jmap
Verified for current stable LTS
Jmap Commands
Jmap command syntax with verified terminal examples.
Commands
5 commands for Jmap
jmap Operations
Jmap Command: Dump Heap Contents Into Binary File
jmap -dump:format=b,file=<path/to/file> <java_pid> jmap Operations
Jmap Command: Dump Live Objects Of Heap Into Binary File
jmap -dump:live,format=b,file=<path/to/file> <java_pid> jmap Operations
Jmap Command: Print Heap Summary Information
jmap -heap <filename.jar> <java_pid> jmap Operations
Jmap Command: Print Heap Usage Histogram By Type
jmap -histo <java_pid> jmap Operations
Jmap Command: Print Shared Object Mappings Java Process
jmap <java_pid> Suggest a Jmap Command
Submit missing workflows, corrections, or verified alternatives for this tool.
FAQ
Coverage: Focused examples for common Jmap workflows.
Verified version: current stable LTS.
Verification: Test commands in a disposable workspace and submit notes for edge cases.