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https://dev.mysql.com/doc/refman/8.0/en/lock-tables.html
LOCK {TABLE | TABLES} tbl_name [[AS] alias] lock_type [, tbl_name [[AS] alias] lock_type] ... lock_type: { READ [LOCAL] | [LOW_PRIORITY] WRITE } UNLOCK {TABLE | TABLES} MySQL enables client sessions to acquire table locks explicitly for the purpose ...
https://dev.mysql.com/doc/refman/8.0/en/locking-functions.html
While held by one session, other sessions cannot obtain a lock of the same name. Returns 1 if the lock was obtained successfully, 0 if the attempt timed out (for example, because another client has previously locked the name), or NULL if an error ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/myisam-start.html
The following options to mysqld can be used to change the behavior of MyISAM tables. bulk_insert_buffer_size The size of the tree cache used in bulk insert optimization. Note This is a limit per thread! delay_key_write=ALL Don't flush key buffers ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-compared.html
MySQL Server offers a number of choices in storage engines. Since both NDB and InnoDB can serve as transactional MySQL storage engines, users of MySQL Server sometimes become interested in NDB Cluster. They see NDB as a possible alternative or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-config-example.html
To support NDB Cluster, you should update my.cnf as shown in the following example. You may also specify these parameters on the command line when invoking the executables. Note The options shown here should not be confused with those that are used ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-config-file.html
Configuring NDB Cluster requires working with two files: my.cnf: Specifies options for all NDB Cluster executables. This file, with which you should be familiar with from previous work with MySQL, must be accessible by each executable running in ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-configuration-overview.html
Each of the node parameter tables lists the parameters for a given type (ndbd, ndb_mgmd, mysqld, computer, tcp, or shm). All tables include the data type for the parameter, option, or variable, as well as its default, minimum, and maximum values as ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-disk-data-objects.html
NDB Cluster Disk Data storage is implemented using the following objects: Tablespace: Acts as containers for other Disk Data objects. A tablespace contains one or more data files and one or more undo log file groups. Undo log file: Contains undo ...