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https://dev.mysql.com/doc/refman/9.7/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/9.7/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/9.7/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 ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-redo-log-reader.html
Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. ndb_redo_log_reader is intended for use primarily by NDB Cluster developers and Support personnel in debugging and diagnosing problems. This ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-show-tables.html
ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and NDB Cluster Disk Data objects as well.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndbd.html
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 engine. This data node process enables a data node to accomplish distributed transaction handling, ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndbmtd.html
ndbmtd is a multithreaded version of ndbd, the process that is used to handle all the data in tables using the NDBCLUSTER storage engine. ndbmtd is intended for use on host computers having multiple CPU cores. Command-line options and configuration ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-issues.html
This section discusses known problems or issues when using replication with NDB Cluster. A loss of connection can occur either between the source cluster SQL node and the replica cluster SQL node, or between the source SQL node and the data nodes ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-multi-source.html
It is possible to use NDB Cluster for bidirectional replication between two clusters, as well as for circular replication between any number of clusters. Each cluster has two SQL nodes, with SQL nodes A and B belonging to Cluster 1, SQL nodes C and ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster.html
This chapter provides information about MySQL NDB Cluster, a high-availability, high-redundancy version of MySQL adapted for the distributed computing environment, as well as information specific to NDB Cluster 8.4 (NDB 8.4.11), based on version ...