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https://dev.mysql.com/doc/refman/8.0/en/innodb-backup.html
Hot and cold backups are physical backups that copy actual data files, which can be used directly by the mysqld server for faster restore. Using MySQL Enterprise Backup is the recommended method for backing up InnoDB data. Hot Backups The ... The ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-limits.html
The maximum table or tablespace size is impacted by the server file system, which can impose a maximum file size that is smaller than the internal 64 TiB size limit defined by InnoDB. If you require a larger system tablespace, configure it using ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-tde-limitations.html
Transparent data encryption in NDB Cluster is subject to the following restrictions and limitations: The file system password must be supplied to each individual data node. File system password rotation requires an initial rolling restart of the ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-directories.html
When data is cloned, the following directories and files are created for internal use. *.#clone files: Temporary data files created on the recipient while data is removed from the recipient data directory and new data is cloned during a remote ...
https://dev.mysql.com/doc/refman/8.0/en/general-tablespaces.html
In this example, the my_tablespace directory is at the same level as the data directory: mysql> CREATE TABLESPACE `ts1` ADD DATAFILE '../my_tablespace/ts1.ibd' Engine=InnoDB; Note The ENGINE = InnoDB clause must be defined as part of the CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-table-reference.html
The following table summarizes INFORMATION_SCHEMA InnoDB tables. For greater detail, see the individual table descriptions. Table 28.3 INFORMATION_SCHEMA InnoDB Tables Table Name Description Introduced INNODB_BUFFER_PAGE Pages in InnoDB buffer pool ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-transaction-management.html
InnoDB must flush the log to disk at each transaction commit if that transaction made modifications to the database. To optimize InnoDB transaction processing, find the ideal balance between the performance overhead of transactional features and ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-configuration-variables.html
Because the InnoDB storage engine performs many of its optimizations automatically, many performance-tuning tasks involve monitoring to ensure that the database is performing well, and changing configuration options when performance drops. The main ...Because the default is to buffer all types of data change operations, only change this setting if you need to reduce the amount of ... Different settings work best for servers ...
https://dev.mysql.com/doc/refman/8.0/en/my-print-defaults.html
my_print_defaults displays the options that are present in option groups of option files. To see what options are present in those groups in the standard option files, invoke my_print_defaults like this: $> my_print_defaults mysqlcheck client ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-standard-monitor.html
You can calculate from these numbers how many data file I/O operations your queries currently are doing. Standard Monitor output is limited to 1MB when produced using the SHOW ENGINE INNODB STATUS statement. The number of seconds is the elapsed time ... The Lock Monitor is the same as the Standard Monitor except that it includes additional lock ...SEMAPHORES This section reports threads waiting for a semaphore and ...