Why Am I Seeing a 'cannot allocate memory' Error During an Ansible Tower Backup at the 'Download the common backup' Task?
Issue
- 
An error like the following occurs in the 'Download the common backup' task when creating an Ansible Tower backup, using the 'setup.sh' script with the '-b' option: An exception occurred during task execution. To see the full traceback, use -vvv. The error was: OSError: [Errno 12] Cannot allocate memoryAlso, the resulting backup does not contain a dump of the Tower database. 
Environment
- Ansible Tower 3.3+
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