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https://dev.mysql.com/doc/refman/9.7/en/innodb-performance-midpoint_insertion.html
Rather than using a strict LRU algorithm, InnoDB uses a technique to minimize the amount of data that is brought into the buffer pool and never accessed again. The goal is to make sure that frequently accessed (“hot”) pages remain in the buffer ...
https://dev.mysql.com/doc/refman/9.7/en/keyring-encrypted-file-component.html
Note component_keyring_encrypted_file is an extension included in MySQL Enterprise Edition, a commercial product. The component_keyring_encrypted_file keyring component stores keyring data in an encrypted, password-protected file local to the ...
https://dev.mysql.com/doc/refman/9.7/en/keyring-file-component.html
The component_keyring_file keyring component stores keyring data in a file local to the server host. Warning For encryption key management, the component_keyring_file and component_keyring_encrypted_file components are not intended as a regulatory ...
https://dev.mysql.com/doc/refman/9.7/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...
https://dev.mysql.com/doc/refman/9.7/en/locking-service.html
MySQL distributions provide a locking interface that is accessible at two levels: At the SQL level, as a set of loadable functions that each map onto calls to the service routines. As a C language interface, callable as a plugin service from server ...
https://dev.mysql.com/doc/refman/9.7/en/memory-storage-engine.html
The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents that are stored in memory. Because the data is vulnerable to crashes, hardware issues, or power outages, only use these tables as temporary work areas ...
https://dev.mysql.com/doc/refman/9.7/en/myisam-storage-engine.html
MyISAM is based on the older (and no longer available) ISAM storage engine but has many useful extensions. Table 18.2 MyISAM Storage Engine Features Feature Support B-tree indexes Yes Backup/point-in-time recovery (Implemented in the server, rather ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-backup-using-management-client.html
Before starting a backup, make sure that the cluster is properly configured for performing one. If an existing backup_id value is used, the backup fails with the error Backup failed: file already exists. If used, the backup_id must follow ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-basics.html
NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data-persistence features. The NDBCLUSTER storage engine can be configured with a range of failover and load-balancing options, but it is easiest to start ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication.html
NDB Cluster supports asynchronous replication, more usually referred to simply as “replication”. This section explains how to set up and manage a configuration in which one group of computers operating as an NDB Cluster replicates to a second ...