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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-configuration.html
In this section, we discuss manual configuration of an installed NDB Cluster by creating and editing configuration files. (Create the file if it does not exist.) For example: $> vi /etc/my.cnf Note We show vi being used here to create the file, but ...For our four-node, four-host NDB Cluster (see Cluster nodes and host computers), it is necessary to write four configuration files, one per node ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-linux-binary.html
Some OS distributions create these as part of the operating system installation process. Change location to the directory containing the downloaded file, unpack the archive, and create a symbolic link named mysql to the mysql directory. This ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndbd.html
An initial start erases any files created for recovery purposes by earlier instances of ndbd. An --initial start is to be used only when starting the ndbd process under very special circumstances; this is because this option causes all files to be ... The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing the NDBCLUSTER storage ...
https://dev.mysql.com/doc/refman/8.0/en/no-login-pluggable-authentication.html
To refer to the no-login authentication plugin in the IDENTIFIED WITH clause of a CREATE USER statement, use the name mysql_no_login. Note Because the nologin account cannot be used directly, the operations required to set up objects that it uses ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-subpartitions.html
Consider the following CREATE TABLE statement: CREATE TABLE ts (id INT, purchased DATE) PARTITION BY RANGE( YEAR(purchased) ) SUBPARTITION BY HASH( TO_DAYS(purchased) ) SUBPARTITIONS 2 ( PARTITION p0 VALUES LESS THAN (1990), PARTITION p1 VALUES LESS ... Subpartitioning—also known as composite partitioning—is the further division of each partition in a partitioned ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-status-variables.html
Performance Schema status variables have the following meanings: Performance_schema_accounts_lost The number of times a row could not be added to the accounts table because it was full. Performance_schema_digest_lost The number of digest instances ...
https://dev.mysql.com/doc/refman/8.0/en/reloading-sql-format-dumps.html
To reload a dump file written by mysqldump that consists of SQL statements, use it as input to the mysql client.
https://dev.mysql.com/doc/refman/8.0/en/replace.html
For information about generated columns, see Section 15.1.20.8, “CREATE TABLE and Generated Columns”. REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { {VALUES | ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-restrictions.html
If a source used STATEMENT format and a replica used ROW format, the replica would be unable to handle the transaction correctly, therefore the CREATE TABLE ... When binlog_format is set to STATEMENT, CREATE TEMPORARY TABLE and DROP TEMPORARY TABLE ... Because GTID-based replication is dependent on transactions, some features otherwise available in MySQL are not supported when using ...
https://dev.mysql.com/doc/refman/8.0/en/replication-snapshot-method.html
To select the appropriate method of dumping the database, choose between these options: Use the mysqldump tool to create a dump of all the databases you want to replicate. 19.1.2.5.1 Creating a Data Snapshot Using mysqldump To create a snapshot of ... If the source database contains existing data it is necessary to copy this data to each ...