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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-membership.html
The membership table describes the view that each data node has of all the others in the cluster, including node group membership, president node, arbitrator, arbitrator successor, arbitrator connection states, and other information. We determine ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-operations-per-fragment.html
The operations_per_fragment table provides information about the operations performed on individual fragments and fragment replicas, as well as about some of the results from these operations. This currently has the following formats: Base table: ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-resources.html
This table provides information about data node resource availability and usage. The resources table contains the following columns: node_id The unique node ID of this data node. reserved The amount reserved for this resource, as a number of 32KB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-threads.html
The threads table provides information about threads running in the NDB kernel.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-nodes-groups.html
This section discusses the manner in which NDB Cluster divides and duplicates data for storage. A number of concepts central to an understanding of this topic are discussed in the next few paragraphs. An ndbd or ndbmtd process, which stores one or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-example.html
In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node groups.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-remarks.html
This section provides general information about the behavior of and current limitations in adding NDB Cluster nodes online. The ability to add new nodes online includes a means to reorganize NDBCLUSTER table data and indexes so that they are ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-overview-requirements.html
One of the strengths of NDB Cluster is that it can be run on commodity hardware and has no unusual requirements in this regard, other than for large amounts of RAM, due to the fact that all live data storage is done in memory. (It is possible to ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-import.html
ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB API. ndb_import requires a connection to an NDB management server (ndb_mgmd) to function; it does not require a connection to a MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-index-stat.html
ndb_index_stat provides per-fragment statistical information about indexes on NDB tables. This includes cache version and age, number of index entries per partition, and memory consumption by indexes. Running ndb_index_stat with the --update option ...