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dmtcp_coordinator - Man Page

coordinates checkpoints among multiple processes.


dmtcp_coordinater [Options]


dmtcp_coordinator coordinates checkpoints among multiple processes.



--coord-port port (environment variable DMTCP_COORD_PORT)
Port to listen on (default: 7779)

--port-file filename

File to write listener port number.  (Useful with --coord-port 0, which is used to assign a random port)

--ckptdir path (environment variable DMTCP_CHECKPOINT_DIR)

Directory to store dmtcp_restart_script.sh (default: ./)

--tmpdir path (environment variable DMTCP_TMPDIR)

Directory to store temporary files (default: env var TMDPIR or /tmp)


Exit automatically when last client disconnects


Exit automatically after checkpoint is created


Run silently in the background after detaching from the parent process.


--interval <val> (environment variable DMTCP_CHECKPOINT_INTERVAL)
Time in seconds between automatic checkpoints (default: 0, disabled)

-q,  --quiet

Skip copyright notice.


Print this message and exit.


Print version information and exit.

Commands for Coordinator

l: List connected nodes
s: Print status message
c: Checkpoint all nodes
i: Print current checkpoint interval
(To change checkpoint interval, use dmtcp_command)
k: Kill all nodes
q: Kill all nodes and quit
?: Show this message

Reporting Bugs

Report bugs to: dmtcp-forum@lists.sourceforge.net
DMTCP home page: <http://dmtcp.sourceforge.net>

See Also

dmtcp(1), dmtcp_coordinator(1), dmtcp_launch(1), dmtcp_restart(1), dmtcp_command(1)


See /usr/share/doc/dmtcp-3.0.0/AUTHORS.


DMTCP version 3.0.0 of November, 2017.

Referenced By

dmtcp_command(1), dmtcp_launch(1), dmtcp_restart(1), dmtcp_srun_helper(1).

November, 2017 Distributed MultiThreaded CheckPointing