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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-features-transaction-inconsistencies.html
Inconsistencies in the sequence of transactions that have been executed from the relay log can occur depending on your replication configuration. This section explains how to avoid inconsistencies and solve any problems they cause. A transaction ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transactions.html
In general, you should avoid transactions that update both transactional and nontransactional tables in a replication environment. You should also avoid using any statement that accesses both transactional (or temporary) and nontransactional tables ...
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-mode-change-online-verify-transactions.html
This section explains how to monitor a replication topology and verify that all anonymous transactions have been replicated. This is helpful when changing the replication mode online as you can verify that it is safe to change to GTID transactions.
https://dev.mysql.com/doc/refman/8.0/en/replication-options-source.html
This section describes the server options and system variables that you can use on replication source servers. You can specify the options either on the command line or in an option file. On the source and each replica, you must set the server_id ...
https://dev.mysql.com/doc/refman/8.0/en/reusing-ssl-sessions.html
As of MySQL 8.0.29, MySQL client programs may elect to resume a prior SSL session, provided that the server has the session in its runtime cache. This section describes the conditions that are favorable for SSL session reuse, the server variables ...
https://dev.mysql.com/doc/refman/8.0/en/select-optimization.html
Queries, in the form of SELECT statements, perform all the lookup operations in the database. Tuning these statements is a top priority, whether to achieve sub-second response times for dynamic web pages, or to chop hours off the time to generate ...
https://dev.mysql.com/doc/refman/8.0/en/set-operations.html
Result Set Column Names and Data Types Set Operations with TABLE and VALUES Statements Set Operations using DISTINCT and ALL Set Operations with ORDER BY and LIMIT Limitations of Set Operations SQL set operations combine the results of multiple ...
https://dev.mysql.com/doc/refman/8.0/en/signal.html
SIGNAL provides error information to a handler, to an outer portion of the application, or to the client. Also, it provides control over the error's characteristics (error number, SQLSTATE value, message). Without SIGNAL, it is necessary to resort ...