docs: add local task serialization risk

pull/178/head
David Wilson 7 years ago
parent 7698f86a9f
commit b254373cd7

@ -119,6 +119,10 @@ High Risk
file, the host machine could easily exhaust available RAM. This will be fixed
soon as it's likely to be tickled by common playbooks.
* Local actions are single threaded. Any that execute for every target will
experience artificial serialization, causing slowdown equivalent to
`task_duration * num_targets`. This will be fixed soon.
* `Asynchronous Actions And Polling
<https://docs.ansible.com/ansible/latest/playbooks_async.html>`_ has received
minimal testing.

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