blueboxgroup/ursula — pull request #12 by echohead (2013-08-23 07:55:57+00:00)
Title: Use ssh option ControlPersist.

Configure ssh to use "ControlPersist", which dramatically
speeds up ansible runs, by maintaining an open ssh connection
for the duration of the run, avoiding (TCP + authentication + reverse
DNS + shell startup) costs for all but the first task.