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https://dev.mysql.com/doc/refman/8.4/en/environment-variables.html
MYSQL_UNIX_PORT The default Unix socket file name; used for connections to localhost. MYSQLX_UNIX_PORT The X Plugin default Unix socket file name; used for connections to localhost. USER The default user name on Windows when connecting to mysqld.
https://dev.mysql.com/doc/refman/8.4/en/flush.html
This enables the flush operations to be performed without having to connect to the server, which requires a MySQL account that has privileges sufficient for those operations. It also resets the counters for key caches (default and named) to zero and ...| tables_option } flush_option: { BINARY LOGS | ENGINE LOGS | ERROR LOGS | GENERAL LOGS | LOGS | PRIVILEGES | OPTIMIZER_COSTS | RELAY LOGS [FOR CHANNEL channel] | SLOW LOGS | STATUS | USER_RESOURCES } tables_option: { table_synonym | table_synonym tbl_name [, tbl_name] ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-enterprise-backup.html
Connect to the target host (the host for s3 in this case), and restore the backup using MySQL Enterprise Backup. Connect to the target host (the host for s3 in this case), and restore the backup using MySQL Enterprise Backup. MySQL Enterprise ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-ipv6.html
IPv6 addresses, or host names that resolve to them, can be specified as the network address that the member provides in the group_replication_local_address option for connections from other members. If a host name specified as the Group Replication ... Group Replication group members can use IPv6 addresses as an alternative to IPv4 addresses for communications within the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-limitations.html
Group Replication supports TLSv1.3, where it can be used for group communication connections and distributed recovery connections. To avoid these issues use the following mitigations: If unnecessary expulsions occur due to large messages, use the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-requirements.html
A detached transaction is one which, once prepared, is no longer connected to the current session. The prepared XA transaction can be committed or rolled back by another connection, and the current session can then initiate another XA transaction or ... Infrastructure Server Instance Configuration Server instances that you want to use for Group Replication must satisfy the following ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-recovery.html
Redo log application Redo log application is performed during initialization, before accepting any connections. After redo log application, InnoDB attempts to accept connections as early as possible, to reduce downtime. The rollback is performed by ...To achieve point-in-time recovery after restoring a backup, you can apply changes from the binary log that occurred after the backup was ...
https://dev.mysql.com/doc/refman/8.4/en/memory-use.html
Each thread that the server uses to manage client connections requires some thread-specific space. The following list indicates these and which system variables control their size: A stack (thread_stack) A connection buffer (net_buffer_length) A ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-added-deprecated-removed.html
RequireLinkTls: Read-only; is set to true if either endpoint of this connection requires TLS. RequireTls: Client connection must authenticate with TLS before being used otherwise. Parameters Introduced in NDB 8.4 The following node configuration ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-event-reports.html
Each reportable event can be distinguished according to three different criteria: Category: This can be any one of the following values: STARTUP, SHUTDOWN, STATISTICS, CHECKPOINT, NODERESTART, CONNECTION, ERROR, or INFO. The most common types of ...