The default max memory is 64MB, which is too small for production
environment.
Change-Id: I72d87cd29762fe49ae4f711f092df655cea954a9
Closes-Bug: #1758286
Note, this is not in the inventories/site.yml as it will be a
transparent dependency of Swift.
Change-Id: Ic8c80072596594e646ece74ac0ce74c7000398ff
Partitially-Implements: blueprint ansible-swift