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https://dev.mysql.com/doc/refman/8.4/en/group-replication-upgrading-member.html
How you upgrade the server instance, using either the in-place or provision approach, does not impact on the methods described here. For example, if the upgrade fails and the server restarts again, then a possibly broken server could try to join the ... This section explains the steps required for upgrading a member of a ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-processlist-table.html
The MySQL process list indicates the operations currently being performed by the set of threads executing within the server. A value of system user refers to a nonclient thread spawned by the server to handle tasks internally, for example, a ...
https://dev.mysql.com/doc/refman/8.4/en/install-component.html
A component provides services that are available to the server and other components; see Section 7.5, “MySQL Components”. Specifically, you can also set component variables with these alternatives: At server startup using options on the command ...[SET variable = expr [, variable = expr] ...] variable: { {GLOBAL | @@GLOBAL.} [component_prefix.]system_var_name | {PERSIST | @@PERSIST.} [component_prefix.]system_var_name } This statement installs one or more components, which become active ...
https://dev.mysql.com/doc/refman/8.4/en/introduction.html
The MySQL software delivers a very fast, multithreaded, multi-user, and robust SQL (Structured Query Language) database server. MySQL Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed ...Oracle is a registered trademark of Oracle Corporation and/or its ...
https://dev.mysql.com/doc/refman/8.4/en/ipv6-local-connections.html
The following procedure shows how to configure MySQL to permit IPv6 connections by clients that connect to the local server using the ::1 local host address. Start the MySQL server with an appropriate bind_address setting to permit it to accept ...
https://dev.mysql.com/doc/refman/8.4/en/linux-installation-debian.html
Users who want to set a password later can leave the password field blank in the dialogue box and just press OK; in that case, root access to the server is authenticated using the MySQL Socket Peer-Credential Authentication Plugin for connections ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-failover.html
This means that the ndb_apply_status table contains information for the replica on this host as well as for any other host which acts as a replica of the replication source server running on this host. In this case, you need to determine the latest ... In the event that the primary Cluster replication process fails, it is possible to switch over to the secondary replication ...
https://dev.mysql.com/doc/refman/8.4/en/mysqldump-delimited-text.html
The following command dumps the contents of the db1 database to files in the /tmp database: $> mysqldump --tab=/tmp db1 The .txt files containing table data are written by the server, so they are owned by the system account used for running the ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-replication-asynchronous-connection-failover-table.html
You set and manage source lists using the asynchronous_connection_failover_add_source and asynchronous_connection_failover_delete_source functions to add and remove replication source servers from the source list for a replication channel. To add ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-variables-info-table.html
This includes option files not covered by EXPLICIT, EXTRA, LOGIN, PERSISTED, SERVER, or USER. PERSISTED The variable was set from a server-specific mysqld-auto.cnf option file. No row has this value if the server was started with ... The ...