Damian Dabrowski 954c0a96d0 Database connection pooling improvements
- Implemented new variable ``connection_recycle_time`` responsible for SQLAlchemy's connection recycling
- Set new default values for db pooling variables which are inherited from the global ones.

Depends-On: https://review.opendev.org/c/openstack/openstack-ansible/+/819424
Change-Id: Ib258eeb4989236215d645b21ed25f9d35c3a2a0a
2021-12-03 13:47:46 +00:00
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