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https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-remote.html
An error is returned if the explicit specification cannot be satisfied. An error is reported if a table or tablespace already exists. As of MySQL 8.0.18, an error is reported if duplicate undo tablespace file names are encountered during a cloning ... The clone plugin supports the following syntax for cloning remote data; that is, cloning data from a remote MySQL server instance (the donor) and transferring it to the MySQL instance where the cloning operation was initiated (the ...
https://dev.mysql.com/doc/refman/8.0/en/data-type-defaults.html
If binary logging is enabled and binlog_format is set to STATEMENT, the statement is logged and executed but a warning message is written to the error log, because replication slaves might diverge. For nontransactional tables, an error occurs, but ... Data type specifications can have explicit or implicit default ...
https://dev.mysql.com/doc/refman/8.0/en/dbug-package.html
In MySQL, common debug macro keywords to enable are enter, exit, error, warning, info, and loop. The MySQL server and most MySQL clients are compiled with the DBUG package originally created by Fred Fish. When you have configured MySQL for ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-troubleshooting-datadict.html
Cannot Open Datafile With innodb_file_per_table enabled (the default), the following messages may appear at startup if a file-per-table tablespace file (.ibd file) is missing: [ERROR] InnoDB: Operating system error number 2 in a file operation.
https://dev.mysql.com/doc/refman/8.0/en/myisam-start.html
If either of these conditions is true, the following happens: The server checks the table for errors. If the server finds an error, it tries to do a fast table repair (with sorting and without re-creating the data file). If the repair fails because ... The following options to mysqld can be used to change the behavior of MyISAM ...
25.7.9.1 NDB Cluster Replication: Automating Synchronization of the Replica to the Source Binary Log
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-auto-sync.html
It is possible to automate much of the process described in the previous section (see Section 25.7.9, “NDB Cluster Backups With NDB Cluster Replication”). The following Perl script reset-replica.pl serves as an example of how you can do this.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-issues.html
Examples of incidents are server failures, database resynchronization, some software updates, and some hardware changes.) When the replica encounters a gap in the replication log, it stops with an error message. Note The NDB storage engine uses ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlbinlog.html
For example: # at 141 #100309 9:28:36 server id 123 end_log_pos 245 Query thread_id=3350 exec_time=11 error_code=0 In the first line, the number following at indicates the file offset, or starting position, of the event in the binary log file. Like ...Note that from MySQL 8.0.14, mysqlbinlog returns a suitable error if you attempt to read an encrypted binary log file directly, but older versions of mysqlbinlog do not recognise the file as a binary log file at ...
https://dev.mysql.com/doc/refman/8.0/en/network-namespace-support.html
If an error occurs during server startup for attempts to use a namespace, the server does not start. If errors occur for X Plugin during plugin initialization such that it is unable to bind to any address, the plugin fails its initialization ... A ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-connection-status-table.html
LAST_ERROR_NUMBER, LAST_ERROR_MESSAGE The error number and error message of the most recent error that caused the I/O thread to stop. An error number of 0 and message of the empty string mean “no error.” If the LAST_ERROR_MESSAGE value is not ...