High connection count towards database from nova in Red Hat OpenStack Platform

Solution In Progress - Updated -

Issue

High connection count towards database from nova, neutron, cinder, etc. in Red Hat OpenStack Platform

For example, MySQL hits the global limit of 4096 connections in haproxy and MySQL configuration:

[root@controller-0 ~]# mysql -sN -u root -e 'SELECT
VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_STATUS where
VARIABLE_NAME="THREADS_CONNECTED";'
4097

Environment

Red Hat OpenStack Platform 10

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