In the MCP 2019.2.7 maintenance update, Mirantis introduces the following enhancements for OpenStack:

To obtain the enhancements, follow the steps described in Apply maintenance updates.

SQLAlchemy performance improvement

Added the capability to update SQLAlchemy to version 1.1.11 that includes performance enhancements and allows the OpenStack services to provide a quicker response. To update SQLAlchemy, run the Deploy - upgrade control VMs pipeline job with the OS_UPGRADE parameter set to True.

Lock path configuration

Added the capability to set the directory for lock files for the Ceilometer, Cinder, Designate, Glance, Ironic, Neutron, and Nova OpenStack services.

Availability zones for Gnocchi instance resources

Implemented the capability to add availability zones to a Gnocchi instance resource.