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https://dev.mysql.com/doc/refman/5.7/en/replication-implementation.html
Database changes are filtered on the replica according to a set of rules that are applied according to the various configuration options and variables that control event evaluation. Replication is based on the replication source server keeping ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-cmp-table.html
The INNODB_CMP and INNODB_CMP_RESET tables provide status information on operations related to compressed InnoDB tables. The INNODB_CMP and INNODB_CMP_RESET tables have these columns: PAGE_SIZE The compressed page size in bytes. Pages are ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-cmpmem-table.html
The INNODB_CMPMEM and INNODB_CMPMEM_RESET tables provide status information on compressed pages within the InnoDB buffer pool. The INNODB_CMPMEM and INNODB_CMPMEM_RESET tables have these columns: PAGE_SIZE The block size in bytes. PAGES_FREE The ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-and-plugins.html
The associated event information, including aggregate information, remains readable in performance_schema database tables. Removing a plugin with UNINSTALL PLUGIN does not affect information already collected for code in that plugin. For additional ...Time spent executing the code while the plugin was loaded was still spent even if the plugin is unloaded ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-backup-concepts.html
A backup is a snapshot of the database at a given time. The data actually stored in the database tables at the time that the backup was made Transaction log. A sequential record telling how and when data was stored in the database Each of these ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-compression-syntax-warnings.html
To import the dump file into a new database, and have the tables re-created as they exist in the original database, ensure the server has the proper settings for the configuration parameters innodb_file_format and innodb_file_per_table. SQL ...ERROR ... This section describes syntax warnings and errors that you may encounter when using the table compression feature with file-per-table tablespaces and general ...
https://dev.mysql.com/doc/refman/5.7/en/replica-logs.html
Updates to the replica's applier metadata repository table are committed together with the transactions, meaning that the replica's progress information recorded in that repository is always consistent with what has been applied to the database, ...
https://dev.mysql.com/doc/refman/5.7/en/replication-solutions-backups-rawdata.html
If the MySQL server is still running, background tasks may still be updating the database files, particularly those involving storage engines with background processes such as InnoDB. For example, assuming that the data directory is located under ...
https://dev.mysql.com/doc/refman/5.7/en/sys-table-exists.html
Parameters in_db VARCHAR(64): The name of the database in which to check for table existance. Tests whether a given table exists as a regular table, a TEMPORARY table, or a view. If both a temporary and a permanent table exist with the given name, ...
https://dev.mysql.com/doc/refman/5.7/en/bit-functions.html
Table 12.17 Bit Functions and Operators Name Description & Bitwise AND >> Right shift << Left shift ^ Bitwise XOR BIT_COUNT() Return the number of bits that are set | Bitwise OR ~ Bitwise inversion The following list describes available bit ...