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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-parallel-data-nodes.html
For this to work, all data nodes in the cluster must use multiple LDMs, and each data node must use the same number of LDMs. This means that all data nodes must run ndbmtd (ndbd is single-threaded and thus always has only one LDM) and they must be ... It is possible in NDB 8.0 to take a backup with multiple local data managers (LDMs) acting in parallel on the data ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-debian.html
The section provides information about installing NDB Cluster on Debian and related Linux distributions such Ubuntu using the .deb files supplied by Oracle for this purpose. Oracle also provides an NDB Cluster APT repository for Debian and other ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-print-file.html
Like ndb_print_schema_file and ndb_print_sys_file (and unlike most of the other NDB utilities that are intended to be run on a management server host or to connect to a management server) ndb_print_file must be run on an NDB Cluster data node, since ... ndb_print_file obtains information from an NDB Cluster Disk Data ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-quick.html
First, you need to create a configuration directory such as /var/lib/mysql-cluster, by executing the following command as the system root user: $> mkdir /var/lib/mysql-cluster In this directory, create a file named config.ini that contains the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-userguide.html
MySQL Shell is an advanced client and code editor for MySQL Server. In addition to the provided SQL functionality, similar to mysql, MySQL Shell provides scripting capabilities for JavaScript and Python and includes APIs for working with MySQL. For ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlbinlog-server-id.html
When invoked with the --read-from-remote-server option, mysqlbinlog connects to a MySQL server, specifies a server ID to identify itself, and requests binary log files from the server. You can use mysqlbinlog to request log files from a server in ...The server sends all files, but does not disconnect after sending the last ...
https://dev.mysql.com/doc/refman/8.0/en/option-modifiers.html
Some options are “boolean” and control behavior that can be turned on or off. However, you may want to disable it in some instances, such as when sending the output of mysql into another program that expects to see only data and not an initial ...For example, the mysql client supports a --column-names option that determines whether or not to display a row of column names at the beginning of query ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-memory-model.html
The buffer size is unbounded, and may grow with the load. With the value set to 0: The corresponding internal buffer is empty initially and no memory is allocated. With the value set to N > 0: The corresponding internal buffer is empty initially and ...Memory used depends on the load actually seen, not the load estimated or explicitly configured ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-tls-channel-status-table.html
Connection interface TLS properties are set at server startup, and can be updated at runtime using the ALTER INSTANCE RELOAD TLS statement. mysql_main and mysql_admin are the channel names for the main and administrative connection interfaces, ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-storage-overview.html
The MySQL server architecture isolates the application programmer and DBA from all of the low-level implementation details at the storage level, providing a consistent and easy application model and API. Figure 18.3 MySQL Architecture with Pluggable ... The MySQL pluggable storage engine architecture enables a database professional to select a specialized storage engine for a particular application need while being completely shielded from the need to manage any specific application coding ...