Search Results
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-operations-per-fragment.html
The attrinfo and keyinfo attributes counted by the tot_key_attrinfo_bytes and tot_key_keyinfo_bytes columns are attributes of an LQHKEYREQ signal (see The NDB Communication Protocol) used to initiate a key operation by the LDM. The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-restart-info.html
Each entry in the table corresponds to a node restart status report in real time from a data node with the given node ID. Only the most recent report for any given node is shown. The restart_info table contains the following columns: node_id Node ID ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-table-replicas.html
The table_replicas table provides information about the copying, distribution, and checkpointing of NDB table fragments and fragment replicas.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbmtd.html
It is not necessary when switching between the two to start the data node binary using --initial. 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 ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-backups.html
See Section 25.3.3, “Initial Configuration of NDB Cluster”, for more information about ports and port allocation in NDB Cluster. This section discusses making backups and restoring from them using NDB Cluster replication. We assume that the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-failover.html
You can now initiate replication on the secondary channel by issuing the appropriate command on the secondary replica mysqld: mysqlR'> START REPLICA; Once the secondary replication channel is active, you can investigate the failure of the primary ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-schema.html
Even though ndb_binlog_index and ndb_apply_status are created and maintained automatically, it is advisable to check for the existence and integrity of these tables as an initial step in preparing an NDB Cluster for replication. Note When performing ... ndb_apply_status Table ndb_binlog_index Table ndb_replication Table Replication in NDB Cluster makes use of a number of dedicated tables in the mysql database on each MySQL Server instance acting as an SQL node in both the cluster being replicated and in the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-starting.html
Finally, instruct the replica to begin applying replication by issuing this command from the mysql client on the replica: mysqlR> START REPLICA; This also initiates the transmission of data and changes from the source to the replica. This section ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-secure-installation.html
mysql_secure_installation helps you implement security recommendations similar to those described at Section 2.9.4, “Securing the Initial MySQL Account”. This program enables you to improve the security of your MySQL installation in the ...
https://dev.mysql.com/doc/refman/8.4/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 7.1.17, “Server-Side Help Support”). mysql> help search_string If you provide an argument to the ...