NAME¶

dmtcp_coordinater -- coordinates checkpoints between multiple processes.

SYNOPSIS¶

dmtcp_coordinater [ OPTIONS]

DESCRIPTION¶

dmtcp_coordinator coordinates checkpoints between multiple processes.

OPTIONS¶

-p,

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

--port-file filename

File to write listener port number. (Useful with --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-on-last

Exit automatically when last client disconnects

--exit-after-ckpt

Exit automatically after checkpoint is created

--daemon

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

-i,

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

-q, --quiet

Skip copyright notice.

--help

Print this message and exit.

--version

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)

AUTHOR¶

See /usr/share/doc/dmtcp-2.2/AUTHORS.

VERSION¶

DMTCP version 2.2 of March 2014.

COPYRIGHT¶

See /usr/share/doc/dmtcp-2.2/COPYING file. License LGPLv3+: GNU LGPL version 3 or later <http://gnu.org/licenses/lgpl.html>. This program comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions; see COPYING file for details.