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https://dev.mysql.com/doc/refman/8.0/en/full-text-adding-collation.html
Warning User-defined collations are deprecated; you should expect support for them to be removed in a future version of MySQL. As of MySQL 8.0.33, the server issues a warning for any use of COLLATE user_defined_collation in an SQL statement; a ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-fine-tuning.html
If you really need to search for such common words, it would be better to search using IN BOOLEAN MODE instead, which does not observe the 50% threshold. You can exert more control over full-text searching behavior if you have a MySQL source ...
https://dev.mysql.com/doc/refman/8.0/en/general-tablespaces.html
RENAME TO operations are implicitly performed in autocommit mode regardless of the autocommit setting. A general tablespace is a shared InnoDB tablespace that is created using CREATE TABLESPACE syntax. The server keeps tablespace metadata in memory ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-change-primary.html
When this is done, the current primary becomes a read-only secondary, and the specified group member becomes the read-write primary; this replaces the usual primary election process as described in Section 20.1.3.1, “Single-Primary Mode”. This ... This section explains how to change which member of a single-primary group is the primary, using the group_replication_set_as_primary() function, which can be can be run on any member of the ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-communication-protocol.html
Versions from MySQL 8.0.27 also allow the group communication engine to operate with a single consensus leader when the group is in single-primary mode and group_replication_paxos_single_leader is set to true (see Section 20.7.3, “Single Consensus ... From MySQL 8.0.16, Group Replication has the concept of a communication protocol for the ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-deploying-locally.html
The remaining steps of Section 20.2.1, “Deploying Group Replication in Single-Primary Mode” apply equally to a group which you have deployed locally in this way. The most common way to deploy Group Replication is using multiple server ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions-for-communication-protocol.html
Versions from MySQL 8.0.27 also allow the group communication engine to operate with a single consensus leader when the group is in single-primary mode and group_replication_paxos_single_leader is set to true (see Section 20.7.3, “Single Consensus ... The following functions enable you to inspect and configure the Group Replication communication protocol version that is used by a replication ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions-for-new-primary.html
The function can be used on any member of a replication group running in single-primary mode. The following function enables you to set a member of a single-primary replication group to take over as the primary. The current primary becomes a ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-monitoring.html
Other events are logged only on the member where they take place, such as super read only mode being enabled or disabled on the member, or the member leaving the group. You can use the MySQL Performance Schema to monitor Group Replication. These ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure-rejoin.html
During and between auto-rejoin attempts, a member remains in super read only mode and displays an ERROR state on its view of the replication group. The group_replication_autorejoin_tries system variable, which is available from MySQL 8.0.16, makes ...