Serial versus parallel execution in Ansible

quorten

2018-10-31

Categories: ansible  
Tags: ansible  

Some useful things for controlling serial/parallel execution in Ansible.

• forks=1 can be set so that one host task is executed at a time until completion before the next task is started.

• serial can be set per-play so that all tasks run to completion on one host at a time.

• Playbook strategies can be set. The default behavior is linear. A serial strategy is also available. Finally, a free strategy is available that allows hosts to continue running subsequent tasks before all hosts completed the same task.

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