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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-resources.html
Thus, in a system having four data nodes and eight API nodes, the data nodes have 12 * 2 MB send buffer memory. This table provides information about data node resource availability and usage. The resources table contains the following columns: ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-nodes-groups.html
Note All node groups in an NDB Cluster must have the same number of data nodes. Note Only data nodes are shown here; although a working NDB Cluster requires an ndb_mgmd process for cluster management and at least one SQL node to access the data ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-overview.html
NDB Cluster is designed not to have any single point of failure. In a shared-nothing system, each component is expected to have its own memory and disk, and the use of shared storage mechanisms such as network shares, network file systems, and SANs ... NDB Cluster is a technology that enables clustering of in-memory databases in a shared-nothing ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-error-reporter.html
ndb_error_reporter creates an archive from data node and management node log files that can be used to help diagnose bugs or other problems with a cluster. It is highly recommended that you make use of this utility when filing reports of bugs in ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-move-data.html
--drop-source Command-Line Format --drop-source Drop source table after all rows have been moved. Usage The program is invoked with the names of the source and target tables; either or both of these may be qualified optionally with the database name. ndb_move_data options source target Options that can be used with ndb_move_data are shown in the following ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-size-pl.html
The server instance does not have to provide support for NDB Cluster. This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-waiter.html
By default, it waits for the cluster to achieve STARTED status, in which all nodes have started and connected to the cluster. Shown here is the output from ndb_waiter when run against a 4-node cluster in which two nodes have been shut down and then ... ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes until either the cluster reaches a given status or the --timeout limit is exceeded, then ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-quick.html
Note If you have installed MySQL from a binary tarball, you must to specify the path of the ndb_mgmd and ndbd servers explicitly. To familiarize you with the basics, we describe the simplest possible configuration for a functional NDB Cluster.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-multi-source.html
Copy over the values for @file and @pos manually from server C to server F (or have your application perform the equivalent). It is possible to use NDB Cluster for bidirectional replication between two clusters, as well as for circular replication ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-security-mysql-privileges.html
In sum, you cannot have a safe NDB Cluster if it is directly accessible from outside your local network. In this section, we discuss how the MySQL privilege system works in relation to NDB Cluster and the implications of this for keeping an NDB ...