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

..

all.yml

Add sshd dns toggle to speed up Ansible

2016-12-06 18:59:43 +00:00