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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-installation.html
Important NDB Cluster is not intended for use in a network for which throughput is less than 100 Mbps or which experiences a high degree of latency. This section describes the basics for planning, installing, configuring, and running an NDB Cluster. Whereas the examples in Section 21.4, “Configuration of NDB Cluster” provide more in-depth information on a variety of clustering options and configuration, the result of following the guidelines and procedures outlined here should be a usable NDB Cluster which meets the minimum requirements for availability and safeguarding of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-disk-data.html
It is important to keep in mind that data files are always open, which means the file descriptors are always in use and cannot be re-used for other system tasks. Disk data objects are subject to the following maximums and minimums: Maximum number of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-transactions.html
Important When executing a LOAD DATA statement, the NDB engine performs commits at irregular intervals that enable better utilization of the communication network. A number of limitations exist in NDB Cluster with regard to the handling of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-logging-management-commands.html
Important Cluster log levels are set on a per ndb_mgmd, per subscriber basis. ndb_mgm supports a number of management commands related to the cluster log and node logs. In the listing that follows, node_id denotes either a storage node ID or the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-mgm-client-commands.html
Important To use this command to bring a data node online, the data node must have been started using --nostart or -n. In addition to the central configuration file, a cluster may also be controlled through a command-line interface available ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-mgm-definition.html
Important This parameter is deprecated as of NDB 7.5.0, and is subject to removal in a future release. The [ndb_mgmd] section is used to configure the behavior of the management server. If multiple management servers are employed, you can specify ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-mysqld.html
row *************************** Id: 1 User: system user Host: db: Command: Daemon Time: 1 State: Waiting for event from ndbcluster Info: NULL Important To participate in an NDB Cluster, the mysqld process must be started with both the options ...To ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-online-add-node-basics.html
Important All management servers must be restarted with the --reload or --initial option to force the reading of the new configuration. In this section, we list the basic steps required to add new data nodes to an NDB Cluster. This procedure ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-online-add-node.html
Important Currently, you must add new data nodes to an NDB Cluster as part of a new node group. This section describes how to add NDB Cluster data nodes “online”—that is, without needing to shut down the cluster completely and restart it as ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-config.html
Important The --xml option can be used only with the --configinfo option. This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its ...