Hướng dẫn openstack lost connection to mysql server during query - openstack bị mất kết nối với máy chủ mysql trong khi truy vấn
Charms 18.05, Xenial and upgrading from Pike to Queens. We ran the steps in https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/latest/app-upgrade-openstack.html to upgrade. After the upgrade, the logs were filled with mysql errors after any operation using the database: 2018-06-28 05:34:16.223 84669 ERROR oslo_db.sqlalchemy.engines [-] Database connection was found disconnected; reconnecting: DBConnectionError: (pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query') [SQL: u'SELECT 1'] |