2026-01-05T00:23:14.386409Z 0 [System] [MY-013169] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) initializing of server in progress as process 9582
2026-01-05T00:23:14.493947Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-01-05T00:23:18.347715Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-01-05T00:23:26.903796Z 6 [Warning] [MY-010453] [Server] root@localhost is created with an empty password ! Please consider switching off the --initialize-insecure option.
2026-01-05T00:23:35.828031Z 6 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-01-05T00:23:43.067950Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9631
2026-01-05T00:23:43.098658Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-01-05T00:23:43.783008Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-01-05T00:23:45.170837Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-01-05T00:23:45.175453Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-01-05T00:23:45.190957Z 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.
2026-01-05T00:23:45.218789Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: /var/run/mysqld/mysqlx.sock
2026-01-05T00:23:45.218979Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: '8.0.42-0ubuntu0.22.04.1'  socket: '/tmp/tmp.lR5tdgpu5x/mysqld.sock'  port: 0  (Ubuntu).
2026-01-05T00:23:45.257562Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-01-05T00:23:47.458802Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-01-05T00:23:49.630320Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9781
2026-01-05T00:23:49.641400Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-01-05T00:23:50.558677Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-01-05T00:23:50.973063Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-01-05T00:23:50.973122Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-01-05T00:23:51.028797Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '127.0.0.1' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-01-05T00:23:51.030127Z 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).
2026-01-05T00:23:55.991403Z 0 [System] [MY-013172] [Server] Received SHUTDOWN from user <via user signal>. Shutting down mysqld (Version: 8.0.42-0ubuntu0.22.04.1).
2026-01-05T00:23:57.333859Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-01-05T00:23:57.858600Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 9963
2026-01-05T00:23:57.872864Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-01-05T00:23:58.704570Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-01-05T00:23:59.232627Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-01-05T00:23:59.232680Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-01-05T00:23:59.321021Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-01-05T00:23:59.321186Z 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).
2026-01-05T00:25:48.165910Z 13 [ERROR] [MY-011685] [Repl] Plugin group_replication reported: 'The group_replication_group_name option is mandatory'
2026-01-05T00:25:48.166020Z 13 [ERROR] [MY-011660] [Repl] Plugin group_replication reported: 'Unable to start Group Replication on boot'
2026-01-05T00:25:48.518980Z 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-c7d490-0-lxd-4-relay-bin' to avoid this problem.
2026-01-05T00:25:48.547257Z 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=''.
2026-01-05T00:25:48.605872Z 13 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-01-05T00:25:48.607416Z 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.'
2026-01-05T00:25:48.607444Z 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.'
2026-01-05T00:25:48.651991Z 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=''.
2026-01-05T00:25:48.732494Z 19 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-01-05T00:25:49.279274Z 13 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.6.169:3306.'
2026-01-05T00:25:49.279382Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-01-05T00:25:49.279426Z 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.'
2026-01-05T00:25:50.279396Z 13 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-01-05T00:25:50.288905Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Cloning from a remote group donor.'
2026-01-05T00:25:50.289265Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.127.186:3306 on view 17675727111606700:2.'
2026-01-05T00:25:50.289468Z 32 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2026-01-05T00:25:50.448716Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Started
2026-01-05T00:25:50.549165Z 33 [Warning] [MY-013460] [InnoDB] Clone removing all user data for provisioning: Finished
2026-01-05T00:25:54.235691Z 0 [System] [MY-011504] [Repl] Plugin group_replication reported: 'Group membership changed: This member has left the group.'
2026-01-05T00:25:56.236878Z 0 [System] [MY-011650] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is stopping.'
2026-01-05T00:25:56.237704Z 0 [System] [MY-014082] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) stopped.'
2026-01-05T00:25:56.237896Z 0 [System] [MY-011651] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been stopped.'
2026-01-05T00:25:57.617263Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.42-0ubuntu0.22.04.1)  (Ubuntu).
2026-01-05T00:25:58.480755Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.42-0ubuntu0.22.04.1) starting as process 21500
2026-01-05T00:25:58.492921Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-01-05T00:25:59.307079Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2026-01-05T00:25:59.971400Z 0 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2026-01-05T00:25:59.972139Z 0 [System] [MY-014010] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' has been started.'
2026-01-05T00:26:00.311149Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2026-01-05T00:26:00.311213Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2026-01-05T00:26:00.382591Z 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-c7d490-0-lxd-4-relay-bin' to avoid this problem.
2026-01-05T00:26:00.605900Z 9 [Warning] [MY-013360] [Server] '@@binlog_transaction_dependency_tracking' is deprecated and will be removed in a future release.
2026-01-05T00:26:00.613276Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /var/run/mysqld/mysqlx.sock
2026-01-05T00:26:00.613836Z 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).
2026-01-05T00:26:00.625163Z 4 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-01-05T00:26:00.626875Z 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.'
2026-01-05T00:26:00.626894Z 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.'
2026-01-05T00:26:00.678193Z 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=''.
2026-01-05T00:26:00.785277Z 13 [System] [MY-014081] [Repl] Plugin group_replication reported: 'The Group Replication certifier broadcast thread (THD_certifier_broadcast) started.'
2026-01-05T00:26:04.787043Z 4 [System] [MY-011511] [Repl] Plugin group_replication reported: 'This server is working as secondary member with primary member address 252.129.6.169:3306.'
2026-01-05T00:26:04.787258Z 0 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2026-01-05T00:26:04.787321Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2026-01-05T00:26:04.787523Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.127.186:3306 on view 17675727111606700:4.'
2026-01-05T00:26:04.834687Z 26 [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='252.129.6.169', source_port= 3306, source_log_file='', source_log_pos= 4, source_bind=''.
2026-01-05T00:26:04.874012Z 27 [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.
2026-01-05T00:26:04.953032Z 27 [System] [MY-014002] [Repl] Replica receiver thread for channel 'group_replication_recovery': connected to source 'mysql_innodb_cluster_1000@252.129.6.169:3306' with server_uuid=21c26877-e9cc-11f0-99a9-00163e5952f1, server_id=1000. Starting GTID-based replication.
2026-01-05T00:26:05.179869Z 28 [Warning] [MY-010584] [Repl] Replica SQL for channel 'group_replication_recovery': Coordinator thread of multi-threaded replica is being stopped in the middle of assigning a group of events; deferring to exit until the group completion ... , Error_code: MY-000000
2026-01-05T00:26:05.289389Z 26 [System] [MY-010597] [Repl] 'CHANGE REPLICATION SOURCE TO FOR CHANNEL 'group_replication_recovery' executed'. Previous state source_host='252.129.6.169', 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=''.
2026-01-05T00:26:05.656335Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2026-01-05T00:26:06.329051Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.255.89:3306, 252.129.127.186:3306 on view 17675727111606700:5.'
2026-01-05T00:26:08.264998Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: 252.129.255.89:3306'
2026-01-05T00:26:08.265076Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.127.186:3306 on view 17675727111606700:6.'
2026-01-05T00:26:21.943759Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to 252.129.6.169:3306, 252.129.255.89:3306, 252.129.127.186:3306 on view 17675727111606700:7.'
2026-01-05T00:26:22.212091Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address 252.129.255.89:3306 was declared online within the replication group.'