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https://dev.mysql.com/doc/refman/8.0/en/replication-features-fractional-seconds.html
MySQL 8.0 permits fractional seconds for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision.
https://dev.mysql.com/doc/refman/8.0/en/replication-features-shutdowns.html
It is safe to shut down a replication source server and restart it later. When a replica loses its connection to the source, the replica tries to reconnect immediately and retries periodically if that fails. This may be changed with the CHANGE ...
https://dev.mysql.com/doc/refman/8.0/en/replication-functions-synchronization.html
The functions listed in this section are used for controlling position-based synchronization of source and replica servers in MySQL Replication. It blocks until the replica has read and applied all updates up to the specified position in the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-howto.html
This section describes a process for configuring and starting GTID-based replication in MySQL 8.0. This is a “cold start” procedure that assumes either that you are starting the source server for the first time, or that it is possible to stop ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-enable-gtids.html
This section describes how to enable GTID transactions, and optionally auto-positioning, on servers that are already online and using anonymous transactions. This procedure does not require taking the server offline and is suited to use in ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-provision-replica.html
If the sources in the multi-source replication topology have existing data, it can save time to provision the replica with the relevant data before starting replication. In a multi-source replication topology, cloning or copying of the data ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the channel. Details of the error and the last applied transaction are recorded in the Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rbr-safe-unsafe.html
The “safeness” of a statement in MySQL replication refers to whether the statement and its effects can be replicated correctly using statement-based format. If this is true of the statement, we refer to the statement as safe; otherwise, we ...
https://dev.mysql.com/doc/refman/8.0/en/replication-semisync-interface.html
When you install the source and replica plugins for semisynchronous replication (see Section 19.4.10.1, “Installing Semisynchronous Replication”), system variables become available to control plugin behavior. To check the current values of the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-semisync.html
In addition to the built-in asynchronous replication, MySQL 8.0 supports an interface to semisynchronous replication that is implemented by plugins. This section discusses what semisynchronous replication is and how it works. The following sections ...