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https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
Follow this procedure to recover from the error: Identify the replicated event that caused the error and verify whether or not the event is expected and from a trusted source. For instructions to do this, see Section 9.5, “Point-in-Time ... If a ...
https://dev.mysql.com/doc/refman/8.0/en/replication-problems.html
Many users have lost time by not doing this soon enough after encountering problems. This should never happen if you have taken a proper snapshot of the source, and never modified the data on the replica outside of the replication threads. If the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-channel-based-filters.html
This section explains how to work with replication filters when multiple replication channels exist, for example in a multi-source replication topology. This is because the server IDs of replicas must be unique in a replication topology. This ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-scaleout.html
Most websites fit into this category, where users are browsing the website, reading articles, posts, or viewing products. Replication in this situation enables you to distribute the reads over the replicas, while still enabling your web servers to ... You can use replication as a scale-out solution; that is, where you want to split up the load of database queries across multiple database servers, within some reasonable ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-unexpected-replica-halt.html
This section describes the impact of an unexpected halt of a replica during replication, and how to configure a replica for the best chance of recovery to continue replication. From MySQL 8.0, this repository is created by default as an InnoDB table ... In order for replication to be resilient to unexpected halts of the server (sometimes described as crash-safe) it must be possible for the replica to recover its state before ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
In this way you will never be in the situation where a replica still at the earlier release is attempting to handle transactions from a source at the later release. This restriction applies not only to release series, but to version numbers within ... When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to ...
https://dev.mysql.com/doc/refman/8.0/en/reset-master.html
Note This statement is replaced in later versions of MySQL by RESET BINARY LOGS AND GTIDS, and should be considered deprecated. See RESET BINARY LOGS AND GTIDS Statement, in the MySQL 8.4 Manual, for more information. RESET MASTER [TO ...For a ...
https://dev.mysql.com/doc/refman/8.0/en/resetting-permissions.html
If you start the server manually, use whatever command you normally use. Alternatively, you can log in as root, but in this case you must start mysqld with the --user=mysql option. The exact location and name of this file depend on your ... If you ...
https://dev.mysql.com/doc/refman/8.0/en/restart.html
To alleviate this, starting the server with --gdb suppresses forking, in addition to its other actions done to set up a debugging environment. One use for RESTART is when it is not possible or convenient to gain command-line access to the MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/security-against-attack.html
For example: [mysqld] user=mysql This causes the server to start as the designated user whether you start it manually or by using mysqld_safe or mysql.server. If the connection between the client and the server goes through an untrusted network, and ... When you connect to a MySQL server, you should use a ...