jkilpatr 54d67eb1f1 Add sshd dns toggle to speed up Ansible ... This adds a setting (disabled by default) to have the browbeat installation playbook add the value UseDNS no to the overcloud node sshd config, for the scale lab exspecially this can result in a 4x or greater speed improvement running ansible playbooks. Not quite ludicrous speed, that's going to require pipelining, but it will do Change-Id: I660cfc5a815bd08337f71e2ed9f97252794b09e2		2016-12-06 18:59:43 +00:00
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all.yml	Add sshd dns toggle to speed up Ansible	2016-12-06 18:59:43 +00:00