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https://dev.mysql.com/doc/refman/9.7/en/dynamic-format.html
Dynamic storage format is used if a MyISAM table contains any variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT), or if the table was created with the ROW_FORMAT=DYNAMIC table option. Dynamic format is a little more complex than static ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-frequently-asked-questions.html
What is the maximum number of MySQL servers in a group? A group can consist of maximum 9 servers. Attempting to add another server to a group with 9 members causes the request to join to be refused. This limit has been identified from testing and ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-doublewrite-buffer.html
The doublewrite buffer is a storage area where InnoDB writes pages flushed from the buffer pool before writing the pages to their proper positions in the InnoDB data files. If there is an operating system, storage subsystem, or unexpected mysqld ...
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-table-formats.html
Two of them, fixed and dynamic format, are chosen automatically depending on the type of columns you are using. The third, compressed format, can be created only with the myisampack utility (see Section 6.6.6, “myisampack — Generate Compressed, ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-syntax.html
Some SQL statements relating to certain MySQL features produce errors when used with NDB tables, as described in the following list: Temporary tables. Trying either to create a temporary table that uses the NDB storage engine or to alter an ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbd-definition.html
The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data nodes. [ndbd] and [ndbd default] are always used as the section names whether you are using ndbd or ndbmtd binaries for the data node processes. There ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-option-tables.html
The following list includes command-line options, system variables, and status variables applicable within mysqld when it is running as an SQL node in an NDB Cluster. For a reference to all command-line options, system variables, and status ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-sql-statements.html
This section discusses several SQL statements that can prove useful in managing and monitoring a MySQL server that is connected to an NDB Cluster, and in some cases provide information about the cluster itself. SHOW ENGINE NDB STATUS, SHOW ENGINE ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-releases.html
The MySQL release model is divided into two main tracks: LTS (Long-Term Support) and Innovation. All LTS and Innovation releases include bug and security fixes, and are considered production-grade quality. MySQL LTS Releases Audience: If your ...