Shulou(Shulou.com)06/01 Report--

When configuring the master and slave on the test environment:

CHANGE MASTER TO MASTER_HOST='10.30.xx.xxx',MASTER_USER='repl',MASTER_PASSWORD='123456',MASTER_PORT=3306, MASTER_LOG_FILE='mysql-bin.000027',MASTER_LOG_POS=4, MASTER_CONNECT_RETRY=10

ERROR 1794 (HY000): Slave is not configured or failed to initialize properly. You must at least set-- server-id to enable either a master or a slave. Additional error messages can be found in the MySQL error log.

Check that server_id is specified in the master and slave configuration files, and then check err-log

2018-05-23T02:23:46.047520Z 0 [ERROR] Native table 'performance_schema'.'status_by_thread' has the wrong structure

2018-05-23T02:23:46.047537Z 0 [ERROR] Native table 'performance_schema'.'status_by_user' has the wrong structure

2018-05-23T02:23:46.047554Z 0 [ERROR] Native table 'performance_schema'.'global_status' has the wrong structure

2018-05-23T02:23:46.047571Z 0 [ERROR] Native table 'performance_schema'.'session_status' has the wrong structure

2018-05-23T02:23:46.047588Z 0 [ERROR] Native table 'performance_schema'.'variables_by_thread' has the wrong structure

2018-05-23T02:23:46.047605Z 0 [ERROR] Native table 'performance_schema'.'global_variables' has the wrong structure

2018-05-23T02:23:46.047622Z 0 [ERROR] Native table 'performance_schema'.'session_variables' has the wrong structure

2018-05-23T02:23:46.047830Z 0 [Note] / usr/local/mysql/bin/mysqld: ready for connections.

Version: '5.7.21 MySQL Community Server' socket:'/ tmp/mysql.sock' port: 3316 MySQL Community Server (GPL)

2018-05-23T02:23:46.980770Z 0 [Note] InnoDB: Buffer pool (s) load completed at 180523 10:23:46

Solution:. / mysql_upgrade-h 10.30.x.x-umha-pendant 123456'-P 3316-force socket=/tmp/mysql.sock

Running queries to upgrade MySQL server.

Checking system database.

Mysql.columns_priv OK

Mysql.db OK

Mysql.dml_health_check OK

Mysql.engine_cost OK

Mysql.event OK

Mysql.failover_info OK

Mysql.func OK

Mysql.general_log OK

Mysql.gtid_executed OK

Mysql.ha_health_check OK

Mysql.help_category OK

Mysql.help_keyword OK

Mysql.help_relation OK

Mysql.help_topic OK

Mysql.innodb_index_stats OK

Mysql.innodb_table_stats OK

Mysql.ndb_binlog_index OK

Mysql.plugin OK

Mysql.proc OK

Mysql.procs_priv OK

Mysql.proxies_priv OK

Mysql.rds_table_checksums OK

Mysql.server_cost OK

Mysql.servers OK

Mysql.slave_master_info OK

Mysql.slave_relay_log_info OK

Mysql.slave_worker_info OK

Mysql.slow_log OK

Mysql.tables_priv OK

Mysql.time_zone OK

Mysql.time_zone_leap_second OK

Mysql.time_zone_name OK

Mysql.time_zone_transition OK

Mysql.time_zone_transition_type OK

Mysql.user OK

Upgrading the sys schema.

Checking databases.

Card_center.system_cache OK

Card_center.system_session OK

Then restart mysql and ok.

When mysql_upgrade upgrades, check for incompatible tables and update the grant table

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