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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgm.html
Options that can be used with ndb_mgm are shown in the following table. The ndb_mgm management client process is actually not needed to run the cluster. Its value lies in providing a set of commands for checking the cluster's status, starting ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-perror.html
The following table includes all options that are specific to the NDB Cluster program ndb_perror. ndb_perror shows information about an NDB error, given its error code. This includes the error message, the type of error, and whether the error is ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-redo-log-reader.html
Options that can be used with ndb_redo_log_reader are shown in the following table. 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 ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-waiter.html
Options that can be used with ndb_waiter are shown in the following table. 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 ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-backups.html
This section discusses making backups and restoring from them using NDB Cluster replication. We assume that the replication servers have already been configured as covered previously (see Section 21.7.5, “Preparing the NDB Cluster for ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-multi-source.html
This does not automatically create binary logs on the second NDB Cluster's SQL node acting as the replica; in order to cause the binary logs to be created, you must issue a SHOW TABLES statement on that SQL node; this should be done prior to running ... It is possible to use NDB Cluster for bidirectional replication between two clusters, as well as for circular replication between any number of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-security-networking-issues.html
Any traffic other than that shown in the table for a given node type should be denied. iptables is a very common and reliable firewall application, which is often used with APF as a front end to make configuration easier. In this section, we ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-shm-definition.html
See Section 21.4.3.13, “Configuring NDB Cluster Send Buffer Parameters”, and Section 21.6.15.44, “The ndbinfo transporters Table”, for more information. Communications between NDB cluster nodes are normally handled using TCP/IP. The shared ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-upgrade-downgrade-7-6.html
The table shown here provides information on NDB Cluster upgrade and downgrade compatibility among different releases of NDB 7.6. Additional notes about upgrades and downgrades to, from, or within the NDB Cluster 7.6 release series can be found ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-server-side-help.html
The proper operation of this command requires that the help tables in the mysql database be initialized with help topic information (see Section 5.1.14, “Server-Side Help Support”). To make a more specific request, please type 'help <item>', ...