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https://dev.mysql.com/doc/refman/8.0/en/innodb-data-encryption.html
mysql> CREATE TABLESPACE `ts1` ADD DATAFILE 'ts1.ibd' ENCRYPTION = 'Y' Engine=InnoDB; To alter the encryption of an existing general tablespace, an ENCRYPTION clause must be specified. InnoDB supports data-at-rest encryption for file-per-table ...
https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-file-removal.html
.isl files: InnoDB Symbolic Link files containing the location of file-per-table tablespace files created outside of the data directory. Unless otherwise noted, data previously stored in metadata files is now stored in data dictionary tables. InnoDB ... In previous MySQL releases, dictionary data was partially stored in metadata ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-init-startup-configuration.html
For example: [mysqld] innodb_data_file_path=ibdata1:50M;ibdata2:50M:autoextend The autoextend and max attributes can be used only for the data file that is specified last. The following configuration permits ibdata1 to grow to a limit of 500MB: ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-print-file.html
Like ndb_print_schema_file and ndb_print_sys_file (and unlike most of the other NDB utilities that are intended to be run on a management server host or to connect to a management server) ndb_print_file must be run on an NDB Cluster data node, since ...Usage ndb_print_file [-v] [-q] file_name+ file_name is the name of an NDB Cluster Disk Data ...Because it does not make use of the management server, this utility can be used ...
https://dev.mysql.com/doc/refman/8.0/en/error-message-elements.html
This section discusses how error messages originate within MySQL and the elements they contain. The MySQL server writes some error messages to its error log. These indicate issues of interest to database administrators or that require DBA action.
https://dev.mysql.com/doc/refman/8.0/en/innochecksum.html
For example: innochecksum.exe t1.ibd innochecksum.exe t2.ibd innochecksum.exe t3.ibd Running innochecksum on Multiple System Tablespace Files By default, there is only one InnoDB system tablespace file (ibdata1) but multiple files for the system ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-file-space.html
The data files that you define in the configuration file using the innodb_data_file_path configuration option form the InnoDB system tablespace. In a newly created system tablespace, InnoDB allocates space starting from the first data file. To ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-buffer-pool-in-core-file.html
mysql> SET GLOBAL innodb_buffer_pool_in_core_file=OFF; If the innodb_buffer_pool_in_core_file variable is disabled but MADV_DONTDUMP is not supported by the operating system, or an madvise() failure occurs, a warning is written to the MySQL server ...To reduce core file size, you can disable the innodb_buffer_pool_in_core_file variable to omit buffer pool pages from core ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-encrypted-file-component.html
The local file looks like this: { "path": "/usr/local/mysql/keyring/component_keyring_encrypted_file.keys", "password": "password", "read_only": false } This path must not point to or include the MySQL data directory. The ...Warning For encryption ... Note component_keyring_encrypted_file is an extension included in MySQL Enterprise Edition, a commercial ...Keyring operations performed by those functions are ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-file-component.html
The local file looks like this: { "path": "/usr/local/mysql/keyring/component_keyring_file.keys", "read_only": false } This path must not point to or include the MySQL data directory. The component_keyring_file keyring component stores keyring data ...Warning For encryption key management, the component_keyring_file and component_keyring_encrypted_file components are not intended as a regulatory compliance ...Security standards ...