2026-03-09T00:18:30.683402Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 10107
2026-03-09T00:18:30.699011Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:31.737174Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:35.223443Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-03-09T00:18:37.206016Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:42.643306Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10157
2026-03-09T00:18:42.674000Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:43.891083Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:44.204781Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:44.204864Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:44.213859Z 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.
2026-03-09T00:18:44.251331Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:44.251536Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.xcTqCPTpYs/mysqld.sock'  port: 0  (Ubuntu).
2026-03-09T00:18:44.277893Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:45.806420Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-03-09T00:18:47.504806Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10302
2026-03-09T00:18:47.512919Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:47.935473Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:48.897042Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:48.897081Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:48.938205Z 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).
2026-03-09T00:18:48.938498Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:51.778787Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-03-09T00:18:53.293694Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-03-09T00:18:53.709465Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 10484
2026-03-09T00:18:53.717684Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:18:54.066980Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:18:54.395944Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:18:54.395988Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:18:54.447377Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:18:54.447536Z 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).
2026-03-09T00:24:05.212583Z 13 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-03-09T00:24:05.212623Z 13 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-03-09T00:24:05.579567Z 13 [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-4-relay-bin' to avoid this problem.
2026-03-09T00:24:05.608182Z 13 [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=''.
2026-03-09T00:24:05.647976Z 13 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-03-09T00:24:05.649279Z 13 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:24:05.649301Z 13 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:24:05.699695Z 18 [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=''.
2026-03-09T00:24:06.055348Z 19 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-03-09T00:24:07.354106Z 13 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.248.119:3306.'
2026-03-09T00:24:07.354458Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:24:07.354509Z 0 [Warning] [MY-013469] [Repl] Plugin group_replication reported: 'This member will start distributed recovery using clone. It is due to the number of missing transactions being higher than the configured threshold of 1.'
2026-03-09T00:24:08.354249Z 13 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-03-09T00:24:08.355346Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Cloning from a remote group donor.'
2026-03-09T00:24:08.355547Z 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.'
2026-03-09T00:24:08.355758Z 32 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-03-09T00:24:08.499705Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Started
2026-03-09T00:24:08.804429Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Finished
2026-03-09T00:24:12.547365Z 0 [System] [MY-011504] [Repl] Plugin group_replication reported: 'Group membership changed: This member has left the group.'
2026-03-09T00:24:14.548296Z 0 [Warning] [MY-010909] [Server] /usr/sbin/mysqld: Forcing close of thread 13  user: 'clusteruser'.
2026-03-09T00:24:14.555672Z 0 [System] [MY-011650] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is stopping.'
2026-03-09T00:24:14.556164Z 0 [System] [MY-014082] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) stopped.'
2026-03-09T00:24:14.556384Z 0 [System] [MY-011651] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been stopped.'
2026-03-09T00:24:15.949395Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-03-09T00:24:16.741625Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 25222
2026-03-09T00:24:16.758348Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-03-09T00:24:17.952165Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-03-09T00:24:18.323573Z 0 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-03-09T00:24:18.328637Z 0 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-03-09T00:24:18.555985Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-03-09T00:24:18.556022Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-03-09T00:24:18.604474Z 0 [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-4-relay-bin' to avoid this problem.
2026-03-09T00:24:18.776250Z 9 [Warning] [MY-013360] [Server] '@@binlog_transaction_dependency_tracking' is deprecated and will be removed in a future release.
2026-03-09T00:24:18.779167Z 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).
2026-03-09T00:24:18.780313Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-03-09T00:24:18.780722Z 4 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:24:18.786573Z 4 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv4 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:24:18.786596Z 4 [Warning] [MY-011735] [Repl] Plugin group_replication reported: '[GCS] Automatically adding IPv6 localhost address to the allowlist. It is mandatory that it is added.'
2026-03-09T00:24:18.839191Z 12 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_applier' executed'. Previous state source_host='<NULL>', source_port= 0, 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=''.
2026-03-09T00:24:18.890672Z 13 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-03-09T00:24:23.090079Z 4 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.248.119:3306.'
2026-03-09T00:24:23.090302Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-03-09T00:24:23.090370Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-03-09T00:24:23.090610Z 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.'
2026-03-09T00:24:23.166553Z 25 [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='252.129.248.119', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-03-09T00:24:23.202084Z 26 [Warning] [MY-010897] [Repl] Storing MySQL user name or password information in the connection metadata repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START REPLICA; see the 'START REPLICA Syntax' in the MySQL Manual for more information.
2026-03-09T00:24:23.255166Z 26 [System] [MY-014002] [Repl] Replica receiver thread for channel 'group_replication_recovery': connected to source 'mysql_innodb_cluster_1002@252.129.248.119:3306' with server_uuid=7e642faf-1b4d-11f1-9ef7-00163e0e02fa, server_id=1002. Starting GTID-based replication.
2026-03-09T00:24:23.376909Z 25 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='252.129.248.119', 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=''.
2026-03-09T00:24:23.419807Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-03-09T00:24:24.066029Z 32 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='<NULL>', source_port= 0, 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=''.
2026-03-09T00:24:50.089905Z 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.'
2026-03-09T00:24:52.062488Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.246.36:3306'
2026-03-09T00:24:52.062548Z 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.'
2026-03-09T00:25:05.730290Z 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.'
2026-03-09T00:25:06.181184Z 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.'