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https://dev.mysql.com/group-replication-performance-message-fragmentation.html
You can also use the system variable group_replication_member_expel_timeout to allow additional time (up to an hour) before a member under suspicion of having failed is expelled from the group. When an abnormally large message is sent between Group ...
https://dev.mysql.com/group-replication-primary-secondary-replication.html
This means that the Primary waits, at commit time, for the secondary to acknowledge that it has received the transaction. Traditional MySQL Replication provides a simple Primary-Secondary approach to replication. There is a primary (master) and ...
https://dev.mysql.com/group-replication-responses-failure-exit.html
However, clients can still read data, and because updates are no longer being made, there is a probability of stale reads which increases over time. Unreachable majority timeout - The member has lost contact with a majority of the group members so ... The group_replication_exit_state_action system variable, which is available from MySQL 8.0.12 and MySQL 5.7.24, specifies what Group Replication does when the member leaves the group unintentionally due to an error or problem, and either fails to auto-rejoin or does not ...
https://dev.mysql.com/group-replication-secure-socket-layer-support-ssl.html
From MySQL 8.0.16, you can change the tls_version system variable at runtime to alter the list of permitted TLS protocol versions for the server. For instructions to change the list of permitted TLS protocol versions at runtime, see Section 6.3.2, ... Group communication connections and distributed recovery connections can be secured using ...
https://dev.mysql.com/group-replication-summary.html
A replication group is formed by multiple servers and each server in the group may execute transactions independently at any time. Group Replication is a technique that can be used to implement fault-tolerant systems. The replication group is a set ...
https://dev.mysql.com/group-replication-upgrade.html
While you are in the process of upgrading an online group, in order to maximize availability, you might need to have members with different MySQL Server versions running at the same time. If your group needs to remain online, as is common with ...
https://dev.mysql.com/handler-scope.html
A stored program may include handlers to be invoked when certain conditions occur within the program. The applicability of each handler depends on its location within the program definition and on the condition or conditions that it handles: A ...
https://dev.mysql.com/help.html
HELP 'search_string' The HELP statement returns online information from the MySQL Reference Manual. Its proper operation requires that the help tables in the mysql database be initialized with help topic information (see Section 5.1.16, ...
https://dev.mysql.com/index-hints.html
Thus, you should expect USE INDEX, FORCE INDEX, and IGNORE INDEX to be deprecated in a future release of MySQL, and at some time thereafter to be removed altogether. Index hints give the optimizer information about how to choose indexes during ...
https://dev.mysql.com/index-statistics.html
(This may occur for bulk inserts or deletes, or some ALTER TABLE statements, for example.) If this happens, the statistics are collected using whatever value innodb_stats_method or myisam_stats_method has at the time. Storage engines collect ...
Document created the 26/06/2006, last modified the 26/10/2018
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