2026-04-20T00:30:16.643322Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9844
2026-04-20T00:30:16.664815Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T00:30:17.813506Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T00:30:21.737035Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-04-20T00:30:24.043382Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T00:30:29.899628Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9892
2026-04-20T00:30:29.961046Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T00:30:30.541109Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T00:30:31.079927Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T00:30:31.083260Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T00:30:31.103127Z 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.
2026-04-20T00:30:31.130722Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-04-20T00:30:31.131015Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.clNYSYqROX/mysqld.sock'  port: 0  (Ubuntu).
2026-04-20T00:30:31.194514Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T00:30:33.202828Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-20T00:30:36.063469Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10041
2026-04-20T00:30:36.077088Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T00:30:36.835557Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T00:30:37.826465Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T00:30:37.826528Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T00:30:37.870283Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-20T00:30:37.870465Z 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).
2026-04-20T00:30:42.624183Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-04-20T00:30:43.732762Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-04-20T00:30:44.355594Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10221
2026-04-20T00:30:44.373092Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-20T00:30:45.076066Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-04-20T00:30:46.142833Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-04-20T00:30:46.142884Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-04-20T00:30:46.199303Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-04-20T00:30:46.199565Z 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).
2026-04-20T00:32:54.653169Z 14 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-04-20T00:32:54.653207Z 14 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-04-20T00:32:54.668216Z 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-1f6644-0-lxd-3-relay-bin' to avoid this problem.
2026-04-20T00:32:54.683816Z 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=''.
2026-04-20T00:32:54.760433Z 14 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-04-20T00:32:54.761923Z 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.'
2026-04-20T00:32:54.761947Z 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.'
2026-04-20T00:32:54.798571Z 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=''.
2026-04-20T00:32:54.829032Z 20 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-04-20T00:32:55.022485Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T00:32:55.022565Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-04-20T00:32:55.024083Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T00:32:55.024116Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306 on view 17766451750222237:1.'
2026-04-20T00:32:55.324131Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-04-20T00:32:55.324252Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address 252.129.4.95:3306 was elected. The new primary will execute all previous group transactions before allowing writes.'
2026-04-20T00:32:55.324821Z 29 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-04-20T00:32:55.326502Z 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.'
2026-04-20T00:32:55.326531Z 27 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-04-20T00:32:55.326602Z 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.'
2026-04-20T00:32:55.326772Z 29 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.'
2026-04-20T00:32:56.023963Z 14 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-04-20T00:32:56.705638Z 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=''.
2026-04-20T00:33:19.133210Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306, 252.129.11.52:3306 on view 17766451750222237:2.'
2026-04-20T00:33:21.129891Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.11.52:3306'
2026-04-20T00:33:21.129966Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306 on view 17766451750222237:3.'
2026-04-20T00:33:30.518880Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306, 252.129.11.52:3306 on view 17766451750222237:4.'
2026-04-20T00:33:30.823118Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.11.52:3306 was declared online within the replication group.'
2026-04-20T00:33:39.526389Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306, 252.129.11.52:3306, 252.129.103.106:3306 on view 17766451750222237:5.'
2026-04-20T00:33:41.456158Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.103.106:3306'
2026-04-20T00:33:41.456227Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306, 252.129.11.52:3306 on view 17766451750222237:6.'
2026-04-20T00:33:55.047166Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.4.95:3306, 252.129.11.52:3306, 252.129.103.106:3306 on view 17766451750222237:7.'
2026-04-20T00:33:55.336959Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.103.106:3306 was declared online within the replication group.'