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https://dev.mysql.com/doc/refman/5.7/en/group-replication-the-group.html
The group membership service described at Section 17.1.3.1, “Group Membership” powers all of this. In MySQL Group Replication, a set of servers forms a replication group. A group has a name, which takes the form of a UUID. The group is dynamic ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-usage-advice-and-limitations-of-distributed-recovery.html
This means that if the data to transfer is too big at phase 1, the server may take a very long time to recover. This minimizes the length of phase 1 and reduces the impact on the donor server, since it has to save and transfer less binary logs. It ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-use-cases.html
A connector, load balancer, router, or some form of middleware are more suitable to deal with this issue. Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of servers. Even if ...
https://dev.mysql.com/doc/refman/5.7/en/history.html
This resulted in a new SQL interface to our database but with almost the same API interface as mSQL. This API was designed to enable third-party code that was written for use with mSQL to be ported easily for use with MySQL. We started out with the ...
https://dev.mysql.com/doc/refman/5.7/en/identifiers.html
Consequently, when this mode is enabled, string literals must be enclosed within single quotation marks. Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, and other object ...
https://dev.mysql.com/doc/refman/5.7/en/ignoring-user.html
The following list indicates possible causes of and fixes for this problem: You may be running a new version of mysqld with an old user table. If you get the following error, it means that when mysqld was started or when it reloaded the grant ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-columns-table.html
This is NULL if the column has an explicit default of NULL, or if the column definition includes no DEFAULT clause. The COLUMNS table has these columns: TABLE_CATALOG The name of the catalog to which the table containing the column belongs.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-engines-table.html
This is particularly useful for checking whether a storage engine is supported, or to see what the default engine is. The ENGINES table has these columns: ENGINE The name of the storage engine. SUPPORT The server's level of support for the storage ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-metrics-table.html
row *************************** NAME: dml_inserts SUBSYSTEM: dml COUNT: 3 MAX_COUNT: 3 MIN_COUNT: NULL AVG_COUNT: 0.046153846153846156 COUNT_RESET: 3 MAX_COUNT_RESET: 3 MIN_COUNT_RESET: NULL AVG_COUNT_RESET: NULL TIME_ENABLED: 2014-12-04 14:18:28 ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-datafiles-table.html
row *************************** SPACE: 57 PATH: ./test/t1.ibd Notes You must have the PROCESS privilege to query this table. Use the INFORMATION_SCHEMA COLUMNS table or the SHOW COLUMNS statement to view additional information about the columns of ... The INNODB_SYS_DATAFILES table provides data file path information for InnoDB file-per-table and general tablespaces, equivalent to the information in the SYS_DATAFILES table in the InnoDB data ...