2026-04-23T00:21:48.724685Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9901
2026-04-23T00:21:48.915034Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-23T00:21:51.730938Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-23T00:21:59.525958Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-04-23T00:22:09.338805Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-23T00:22:15.947031Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9949
2026-04-23T00:22:16.014733Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-23T00:22:16.843856Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-23T00:22:17.769577Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-23T00:22:17.769627Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-23T00:22:17.813116Z 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.
2026-04-23T00:22:17.838771Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.Rf7SybAJuU/mysqld.sock'  port: 0  (Ubuntu).
2026-04-23T00:22:17.838870Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-04-23T00:22:17.900950Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-23T00:22:19.666565Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-23T00:22:21.389916Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10094
2026-04-23T00:22:21.418832Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-23T00:22:22.807051Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-23T00:22:23.416730Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-23T00:22:23.416770Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-23T00:22:23.486238Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-23T00:22:23.486383Z 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).
2026-04-23T00:22:27.671888Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-23T00:22:28.753898Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-23T00:22:29.323932Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10274
2026-04-23T00:22:29.344269Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-23T00:22:30.129102Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-23T00:22:30.979488Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-23T00:22:30.979527Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-23T00:22:31.009570Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-23T00:22:31.009612Z 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).
2026-04-23T00:29:02.248438Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-04-23T00:29:02.248473Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-04-23T00:29:02.256262Z 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-0097f2-0-lxd-4-relay-bin' to avoid this problem.
2026-04-23T00:29:02.273032Z 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=''.
2026-04-23T00:29:02.348827Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-04-23T00:29:02.358930Z 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.'
2026-04-23T00:29:02.358952Z 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.'
2026-04-23T00:29:02.398947Z 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=''.
2026-04-23T00:29:02.440137Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-04-23T00:29:02.647699Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-23T00:29:02.647753Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-04-23T00:29:02.650505Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-23T00:29:02.650531Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.196.30:3306 on view 17769041426476386:1.'
2026-04-23T00:29:02.951497Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-04-23T00:29:02.951587Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.196.30:3306 was elected. The new primary will execute all previous group transactions before allowing writes.'
2026-04-23T00:29:02.951916Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-23T00:29:02.953152Z 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.'
2026-04-23T00:29:02.953174Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-04-23T00:29:02.956007Z 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.'
2026-04-23T00:29:02.956479Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.'
2026-04-23T00:29:03.647785Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-04-23T00:29:04.230725Z 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=''.
2026-04-23T00:29:19.756564Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.18.124:3306, 252.129.196.30:3306 on view 17769041426476386:2.'
2026-04-23T00:29:21.753514Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.18.124:3306'
2026-04-23T00:29:21.753565Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.196.30:3306 on view 17769041426476386:3.'
2026-04-23T00:29:31.190097Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.18.124:3306, 252.129.196.30:3306 on view 17769041426476386:4.'
2026-04-23T00:29:31.387854Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.18.124:3306 was declared online within the replication group.'
2026-04-23T00:29:45.195784Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.18.124:3306, 252.129.121.248:3306, 252.129.196.30:3306 on view 17769041426476386:5.'
2026-04-23T00:29:47.188029Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.121.248:3306'
2026-04-23T00:29:47.188098Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.18.124:3306, 252.129.196.30:3306 on view 17769041426476386:6.'
2026-04-23T00:29:56.493054Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.18.124:3306, 252.129.121.248:3306, 252.129.196.30:3306 on view 17769041426476386:7.'
2026-04-23T00:29:56.697292Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.121.248:3306 was declared online within the replication group.'