2026-03-09T00:18:27.205277Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9823
2026-03-09T00:18:27.219406Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:28.450634Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:32.704379Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-03-09T00:18:34.992263Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:41.277800Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9871
2026-03-09T00:18:41.304204Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:41.751806Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:42.084768Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:42.084806Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:42.090800Z 0 [Warning] [MY-011810] [Server] Insecure configuration for --pid-file: Location '/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2026-03-09T00:18:42.115158Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:42.115323Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.vF0R4NGmls/mysqld.sock'  port: 0  (Ubuntu).
2026-03-09T00:18:42.142034Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:44.184008Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-03-09T00:18:46.355322Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10020
2026-03-09T00:18:46.365370Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:46.736031Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:47.007530Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:47.007596Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:47.033477Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:47.033522Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu).
2026-03-09T00:18:49.844039Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:51.447731Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-03-09T00:18:51.877648Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10202
2026-03-09T00:18:51.886021Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:52.242616Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:52.512565Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:52.512610Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:52.542139Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:52.542293Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu).
2026-03-09T00:23:54.835119Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-03-09T00:23:54.835158Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-03-09T00:23:54.847839Z 14 [Warning] [MY-010604] [Repl] Neither --relay-log nor --relay-log-index were used; so replication may break when this MySQL server acts as a replica and has his hostname changed!! Please use '--relay-log=juju-8f1831-0-lxd-5-relay-bin' to avoid this problem.
2026-03-09T00:23:54.865803Z 14 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL '__mysql_innodb_cluster_creating_cluster__' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-03-09T00:23:54.952875Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-03-09T00:23:54.954117Z 14 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:23:54.954869Z 14 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:23:54.993169Z 19 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_applier' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='<NULL>', source_port= 0, source_log_file='', source_log_pos= 4, source_bind=''.
2026-03-09T00:23:55.050515Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-03-09T00:23:55.214732Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:23:55.214778Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-03-09T00:23:55.214965Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:23:55.214981Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.248.119:3306 on view 17730158352146508:1.'
2026-03-09T00:23:55.515933Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-03-09T00:23:55.516030Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.248.119:3306 was elected. The new primary will execute all previous group transactions before allowing writes.'
2026-03-09T00:23:55.516349Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:23:55.517900Z 27 [System] [MY-013731] [Repl] Plugin group_replication reported: 'The member action "mysql_disable_super_read_only_if_primary" for event "AFTER_PRIMARY_ELECTION" with priority "1" will be run.'
2026-03-09T00:23:55.517927Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-03-09T00:23:55.517993Z 27 [System] [MY-013731] [Repl] Plugin group_replication reported: 'The member action "mysql_start_failover_channels_if_primary" for event "AFTER_PRIMARY_ELECTION" with priority "10" will be run.'
2026-03-09T00:23:55.518272Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.'
2026-03-09T00:23:56.214821Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-03-09T00:23:56.748857Z 14 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''. New state source_host='', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-03-09T00:24:07.339862Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.248.119:3306, 252.129.247.147:3306 on view 17730158352146508:2.'
2026-03-09T00:24:10.338304Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.247.147:3306'
2026-03-09T00:24:10.338358Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.248.119:3306 on view 17730158352146508:3.'
2026-03-09T00:24:23.081970Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.248.119:3306, 252.129.247.147:3306 on view 17730158352146508:4.'
2026-03-09T00:24:23.419998Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.247.147:3306 was declared online within the replication group.'
2026-03-09T00:24:50.090175Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.246.36:3306, 252.129.248.119:3306, 252.129.247.147:3306 on view 17730158352146508:5.'
2026-03-09T00:24:52.062218Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.246.36:3306'
2026-03-09T00:24:52.062294Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.248.119:3306, 252.129.247.147:3306 on view 17730158352146508:6.'
2026-03-09T00:25:05.825576Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.246.36:3306, 252.129.248.119:3306, 252.129.247.147:3306 on view 17730158352146508:7.'
2026-03-09T00:25:06.181413Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.246.36:3306 was declared online within the replication group.'