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 <index.html>`__ 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:
.. code-block:: shell-session
# openstack-ansible --forks 10 os-keystone-install.yml
.. _forks: http://docs.ansible.com/ansible/intro_configuration.html#forks
--------------
.. include:: navigation.txt