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https://dev.mysql.com/doc/refman/8.0/en/myisamchk-memory.html
For example, if you have more than 512MB RAM available, you could use options such as these (in addition to any other options you might specify): myisamchk --myisam_sort_buffer_size=256M \ --key_buffer_size=512M \ --read_buffer_size=64M \ ...
https://dev.mysql.com/doc/refman/8.0/en/myisamchk-repair-options.html
(In the unlikely case that --recover fails, the data file remains intact.) If you have lots of memory, you should increase the value of myisam_sort_buffer_size. If you have lots of memory, you should increase the value of key_buffer_size.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-api-definition.html
(NDB 8.0.13) In an NDB Cluster with many unstarted data nodes, the value of this parameter can be raised to circumvent connection attempts to data nodes which have not yet begun to function in the cluster, as well as moderate high traffic to ... The ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-basics.html
One fragment replica is sufficient for data storage, but provides no redundancy; therefore, it is recommended to have two (or more) fragment replicas to provide redundancy, and thus high availability. NDBCLUSTER (also known as NDB) is an in-memory ...
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-disk-data-objects.html
For example, you cannot have a tablespace and a log file group both named dd1. 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 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-linux.html
Each NDB Cluster host computer must have the correct executable programs installed. A host running an SQL node must have installed on it a MySQL Server binary (mysqld). This section covers installation methods for NDB Cluster on Linux and other ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mysqld.html
If the MySQL server is connected to the cluster, and you have the PROCESS privilege, then the first row of the output is as shown here: mysql> SHOW PROCESSLIST \G *************************** 1. To be used with NDB Cluster, mysqld needs to be built ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-locks-per-fragment.html
Every lock request is considered either to be in progress, or to have completed in some way (that is, to have succeeded or failed). The locks_per_fragment table provides information about counts of lock claim requests, and the outcomes of these ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-operations-per-fragment.html
In addition, a client may choose to end a scan before all potentially matching rows have been examined; this occurs when using an SQL statement containing a LIMIT or EXISTS clause, for example. The operations_per_fragment table provides information ...