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https://dev.mysql.com/doc/refman/5.7/en/group-replication-launching.html
It should show something like this: mysql> SHOW PLUGINS; +----------------------------+----------+--------------------+----------------------+-------------+ | Name | Status | Type | Library | License | ... It is first necessary to ensure that the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-requirements.html
Every table that is to be replicated by the group must have a defined primary key, or primary key equivalent where the equivalent is a non-null unique key. Server instances that you want to use for Group Replication must satisfy the following ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-buffer-page-lru-table.html
The INNODB_BUFFER_PAGE_LRU table provides information about the pages in the InnoDB buffer pool; in particular, how they are ordered in the LRU list that determines which pages to evict from the buffer pool when it becomes full. The ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-plugins-table.html
If the library name is NULL, the plugin is compiled in and cannot be uninstalled with UNINSTALL PLUGIN. The PLUGINS table has these columns: PLUGIN_NAME The name used to refer to the plugin in statements such as INSTALL PLUGIN and UNINSTALL PLUGIN.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-schemata-table.html
A schema is a database, so the SCHEMATA table provides information about databases. The SCHEMATA table has these columns: CATALOG_NAME The name of the catalog to which the schema belongs. The following statements are equivalent: SELECT SCHEMA_NAME ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-failure-conditions.html
For example, you might insert duplicate values into a column while a unique index is being created, or you might insert NULL values into a column while creating a primary key index on that column. The failure of an online DDL operation is typically ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-limitations.html
The ALTER TABLE clause LOCK=NONE is not permitted if there are ON...CASCADE or ON...SET NULL constraints on the table. The following limitations apply to online DDL operations: The table is copied when creating an index on a TEMPORARY TABLE. Before ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-single-multi.html
Before the introduction of online DDL, it was common practice to combine many DDL operations into a single ALTER TABLE statement. Because each ALTER TABLE statement involved copying and rebuilding the table, it was more efficient to make several ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-persistent-stats.html
The persistent optimizer statistics feature improves plan stability by storing statistics to disk and making them persistent across server restarts so that the optimizer is more likely to make consistent choices each time for a given query.
https://dev.mysql.com/doc/refman/5.7/en/innodb-temporary-tablespace.html
row *************************** FILE_NAME: ./ibtmp1 TABLESPACE_NAME: innodb_temporary ENGINE: InnoDB INITIAL_SIZE: 12582912 TotalSizeBytes: 12582912 DATA_FREE: 6291456 MAXIMUM_SIZE: NULL The TotalSizeBytes value reports the current size of the ...