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https://dev.mysql.com/doc/refman/8.4/en/replication-threads.html
MySQL replication capabilities are implemented using the following types of threads: Binary log dump thread. The source creates a thread to send the binary log contents to a replica when the replica connects. This thread can be identified in the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-upgrade.html
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 replication. For general information and instructions for upgrading a MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/reset-replica.html
RESET REPLICA [ALL] [channel_option] channel_option: FOR CHANNEL channel RESET REPLICA makes the replica forget its position in the source's binary log. This statement is meant to be used for a clean start; it clears the replication metadata ...
https://dev.mysql.com/doc/refman/8.4/en/resource-groups.html
MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute according to the resources available to the group. Group attributes enable control over ...
https://dev.mysql.com/doc/refman/8.4/en/selinux-file-context.html
The MySQL Server reads from and writes to many files. If the SELinux context is not set correctly for these files, access to the files could be denied. The instructions that follow use the semanage binary to manage file context; on RHEL, it's part ...
https://dev.mysql.com/doc/refman/8.4/en/server-side-help-support.html
MySQL Server supports a HELP statement that returns information from the MySQL Reference Manual (see Section 15.8.3, “HELP Statement”). This information is stored in several tables in the mysql schema (see Section 7.3, “The mysql System ...
https://dev.mysql.com/doc/refman/8.4/en/thread-pool-operation.html
The thread pool consists of a number of thread groups, each of which manages a set of client connections. As connections are established, the thread pool assigns them to thread groups in round-robin fashion. The thread pool exposes system variables ...
https://dev.mysql.com/doc/refman/8.4/en/user-variables.html
You can store a value in a user-defined variable in one statement and refer to it later in another statement. This enables you to pass values from one statement to another. User variables are written as @var_name, where the variable name var_name ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-3.html
C API Notes Compilation Notes Configuration Notes SQL Function and Operator Notes JavaScript Programs Performance Schema Notes sys Schema Notes Thread Pool Notes Functionality Added or Changed Bugs Fixed C API Notes The asynchronous interface used ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/backup-incremental-options.html
For an overview of incremental backups and usage examples for these options, see Section 4.3.3, “Making a Differential or Incremental Backup” and Section 5.1.3, “Restoring an Incremental Backup”. To take an incremental backup, specify the ...