2020-10-10T02:09:39.363569Z 0 [System] [MY-010116] [Server] /usr/local/mysql1/bin/mysqld (mysqld 8.0.21-debug) starting as process 5797
2020-10-10T02:09:40.265930Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2020-10-10T02:09:43.434395Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2020-10-10T02:09:46.097107Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060, socket: /tmp/mysqlx.sock
2020-10-10T02:09:47.040273Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2020-10-10T02:09:47.040767Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.
2020-10-10T02:09:47.213437Z 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 slave and has his hostname changed!! Please use '--relay-log=CentOS7-Server6-relay-bin' to avoid this problem.
2020-10-10T02:09:47.294702Z 0 [System] [MY-010931] [Server] /usr/local/mysql1/bin/mysqld: ready for connections. Version: '8.0.21-debug'  socket: '/var/lib/mysql1/mysql.sock'  port: 3306  Source distribution.
2020-10-10T02:10:50.134427Z 8 [System] [MY-013587] [Repl] Plugin group_replication reported: 'Plugin 'group_replication' is starting.'
2020-10-10T02:10:50.136849Z 9 [System] [MY-011565] [Repl] Plugin group_replication reported: 'Setting super_read_only=ON.'
2020-10-10T02:10:50.143774Z 10 [System] [MY-010597] [Repl] 'CHANGE MASTER TO FOR CHANNEL 'group_replication_applier' executed'. Previous state master_host='<NULL>', master_port= 0, master_log_file='', master_log_pos= 4, master_bind=''. New state master_host='<NULL>', master_port= 0, master_log_file='', master_log_pos= 4, master_bind=''.
2020-10-10T02:10:52.652360Z 0 [System] [MY-013471] [Repl] Plugin group_replication reported: 'Distributed recovery will transfer data using: Incremental recovery from a group donor'
2020-10-10T02:10:53.658643Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306 on view 16022958516475023:1.'
2020-10-10T02:10:53.658877Z 0 [System] [MY-011490] [Repl] Plugin group_replication reported: 'This server was declared online within the replication group.'
2020-10-10T02:10:54.661422Z 0 [System] [MY-011507] [Repl] Plugin group_replication reported: 'A new primary with address CentOS7-Server6:3306 was elected. The new primary will execute all previous group transactions before allowing writes.'
2020-10-10T02:10:54.664016Z 20 [System] [MY-011566] [Repl] Plugin group_replication reported: 'Setting super_read_only=OFF.'
2020-10-10T02:10:54.665002Z 20 [System] [MY-011510] [Repl] Plugin group_replication reported: 'This server is working as primary member.'
2020-10-10T02:11:06.799683Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server7:3306 on view 16022958516475023:2.'
2020-10-10T02:11:12.359520Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server7:3306 was declared online within the replication group.'
2020-10-10T02:11:16.756776Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306 on view 16022958516475023:3.'
2020-10-10T02:11:21.761299Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306, CentOS7-Server9:3306 on view 16022958516475023:4.'
2020-10-10T02:11:22.952435Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server8:3306 was declared online within the replication group.'
2020-10-10T02:11:27.006715Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server9:3306 was declared online within the replication group.'
2020-10-10T02:11:51.782316Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306, CentOS7-Server5:3306, CentOS7-Server11:3306, CentOS7-Server9:3306, CentOS7-Server10:3306 on view 16022958516475023:5.'
2020-10-10T02:11:53.056856Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server11:3306 was declared online within the replication group.'
2020-10-10T02:11:53.100483Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server10:3306 was declared online within the replication group.'
2020-10-10T02:11:57.294467Z 0 [System] [MY-011492] [Repl] Plugin group_replication reported: 'The member with address CentOS7-Server5:3306 was declared online within the replication group.'
2020-10-10T02:16:14.728340Z 0 [Warning] [MY-011493] [Repl] Plugin group_replication reported: 'Member with address CentOS7-Server5:3306 has become unreachable.'
2020-10-10T02:16:31.282288Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: CentOS7-Server5:3306'
2020-10-10T02:16:31.282620Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306, CentOS7-Server11:3306, CentOS7-Server9:3306, CentOS7-Server10:3306 on view 16022958516475023:6.'
2020-10-10T02:17:12.276778Z 0 [Warning] [MY-011493] [Repl] Plugin group_replication reported: 'Member with address CentOS7-Server11:3306 has become unreachable.'
2020-10-10T02:17:29.048604Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: CentOS7-Server11:3306'
2020-10-10T02:17:29.048882Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306, CentOS7-Server9:3306, CentOS7-Server10:3306 on view 16022958516475023:7.'
2020-10-10T02:17:40.046076Z 0 [Warning] [MY-011493] [Repl] Plugin group_replication reported: 'Member with address CentOS7-Server10:3306 has become unreachable.'
2020-10-10T02:17:56.589313Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: CentOS7-Server10:3306'
2020-10-10T02:17:56.589601Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server7:3306, CentOS7-Server9:3306 on view 16022958516475023:8.'
2020-10-10T02:18:37.585945Z 0 [Warning] [MY-011493] [Repl] Plugin group_replication reported: 'Member with address CentOS7-Server7:3306 has become unreachable.'
2020-10-10T02:18:54.102673Z 0 [Warning] [MY-011499] [Repl] Plugin group_replication reported: 'Members removed from the group: CentOS7-Server7:3306'
2020-10-10T02:18:54.102813Z 0 [System] [MY-011503] [Repl] Plugin group_replication reported: 'Group membership changed to CentOS7-Server6:3306, CentOS7-Server8:3306, CentOS7-Server9:3306 on view 16022958516475023:9.'