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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-config-example.html
To support NDB Cluster, you should update my.cnf as shown in the following example. You may also specify these parameters on the command line when invoking the executables. Note The options shown here should not be confused with those that are used ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-disk-data-objects.html
NDB Cluster Disk Data storage is implemented using the following objects: Tablespace: Acts as containers for other Disk Data objects. A tablespace contains one or more data files and one or more undo log file groups. Undo log file: Contains undo ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-transactions.html
A number of limitations exist in NDB Cluster with regard to the handling of transactions. The NDBCLUSTER storage engine supports only the READ COMMITTED transaction isolation level. To ensure that a given transaction reads only before or after ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-log-statistics.html
Counters providing information about the state of the cluster are updated at 5-second reporting intervals by the transaction coordinator (TC) and the local query handler (LQH), and written to the cluster log. The NDB management client's CLUSTERLOG ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-logs-event-buffer.html
The report is generated every second until the number of buffered epochs goes below the threshold, which can be adjusted by setting the ndb_report_thresh_binlog_epoch_slip server variable. NDB uses one or more memory buffers for events received ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-management.html
The second method involves studying the contents of the cluster log ndb_node_id_cluster.log; this is usually found in the management server's DataDir directory, but this location can be overridden using the LogDestination option. Managing an NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpudata-50ms.html
The cpudata_50ms table provides data about CPU usage per 50-millisecond interval over the last second.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpudata.html
The cpudata table provides data about CPU usage during the last second.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpustat-50ms.html
The cpustat_50ms table provides raw, per-thread CPU data obtained each 50 milliseconds for each thread running in the NDB kernel. Like cpustat_1sec and cpustat_20sec, this table shows 20 measurement sets per thread, each referencing a period of the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpustat.html
The cpustat table provides per-thread CPU statistics gathered each second, for each thread running in the NDB kernel.