openstack/openstack-ansible
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openstack-ansible/doc/source/install-guide/app-tips.rst
Matt Thompson 06708191d6 Install Guide Cleanup 
This commit does the following:

- sets all shell prompts in code-blocks to the root prompt
- uses shell-session code-block since the shell prompt was being
  treated as a comment
- links configure-aodh.rst in configure.rst (running tox was
  complaining that this file wasn't being linked anywhere)
- other minor cleanup

Change-Id: I9e3ac8bb0cabd1cc17952cfd765dbb0d8f7b6fa2
2015-10-21 07:25:25 +01:00

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Home OpenStack Ansible Installation Guide

Appendix D. Tips and Tricks

Ansible Forks

The default MaxSessions setting for the OpenSSH Daemon is 10. Each Ansible fork makes use of a Session. By default Ansible sets the number of forks to 5, but a deployer may wish to increase the number of forks used in order to improve deployment performance in large environments.

This may be done on a permanent basis by adding the forks configuration entry in ansible.cfg, or for a particular playbook execution by using the --forks CLI parameter. For example, to execute the os-keystone-install.yml playbook using 10 forks:

# openstack-ansible --forks 10 os-keystone-install.yml