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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-logspaces.html
log_id The log ID; for Disk Data undo log files, this is the same as the value shown in the LOGFILE_GROUP_NUMBER column of the Information Schema FILES table as well as the value shown for the log_id column of the ndbinfo logbuffers table log_part ... This table provides information about NDB Cluster log space ...
https://dev.mysql.com/doc/refman/5.7/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/5.7/en/mysql-cluster-programs-ndb-index-stat.html
sampleCount can be compared with the cardinality of SHOW INDEX or INFORMATION_SCHEMA.STATISTICS, although the latter two provide a view of the table as a whole, while ndb_index_stat provides a per-fragment average. ndb_index_stat provides ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-backups.html
Important A CREATE DATABASE (or CREATE SCHEMA) statement corresponding to each database to be replicated must be executed on each SQL node in the replica cluster. This section discusses making backups and restoring from them using NDB Cluster ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-general.html
Important If you attempt to use NDB Cluster Replication with --binlog-format=STATEMENT, replication fails to work properly because the ndb_binlog_index table on the source cluster and the epoch column of the ndb_apply_status table on the replica ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-issues.html
In addition, every transaction handled by the NDB storage engine involves at least two databases—the target database and the mysql system database—due to the requirement for updating the mysql.ndb_apply_status table (see Section 21.7.4, “NDB ... This section discusses known problems or issues when using replication with NDB ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-multi-source.html
See Section 21.7.4, “NDB Cluster Replication Schema and Tables”, for more information. It is possible to use NDB Cluster for bidirectional replication between two clusters, as well as for circular replication between any number of clusters.
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-security-mysql-privileges.html
A user who can log in as root can also access the INFORMATION_SCHEMA database and its tables, and so obtain information about databases, tables, stored routines, scheduled events, and any other database objects for which metadata is stored in ... In ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-security-mysql-security-procedures.html
Note Many of the NDB Cluster utilities such as ndb_show_tables, ndb_desc, and ndb_select_all also work without authentication and can reveal table names, schemas, and data. In this section, we discuss MySQL standard security procedures as they ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-upgrade-downgrade-7-5.html
For more information, see Section 21.7.4, “NDB Cluster Replication Schema and Tables”. This section provides information about compatibility between different NDB Cluster 7.5 releases with regard to performing upgrades and downgrades as well as ...