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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-cpustat-20sec.html
The cpustat_20sec table provides raw, per-thread CPU data obtained each 20 seconds, for each thread running in the NDB kernel. Like cpustat_50ms and cpustat_1sec, this table shows 20 measurement sets per thread, each referencing a period of the ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/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.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-dictionary-tables.html
dictionary_tables contains the columns listed here: table_id The table' unique ID database_name Name of the database containing the table table_name Name of the table status The table status; one of New, Changed, Retrieved, Invalid, or Altered.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-server-locks.html
This may be useful for correlating locking patterns with specific MySQL user sessions, queries, or use cases. The server_locks table is similar in structure to the cluster_locks table, and provides a subset of the information found in the latter ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-threadstat.html
The threadstat table provides a rough snapshot of statistics for threads running in the NDB kernel. The values of the os_ru_utime, os_ru_stime, os_ru_minflt, os_ru_majflt, os_ru_nvcsw, and os_ru_nivcsw columns are obtained using the system ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-shm-definition.html
For optimum performance, you can define a spin time for the SHM transporter (ShmSpinTime parameter); this affects both the data node receiver thread and the poll owner (receive thread or user thread) in NDB. Communications between NDB cluster nodes ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-tcp-definition.html
The value is set by NDB, and cannot be changed by the user. TCP/IP is the default transport mechanism for all connections between nodes in an NDB Cluster. Normally it is not necessary to define TCP/IP connections; NDB Cluster automatically sets up ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-what-is-new.html
The following sections describe changes in the implementation of MySQL NDB Cluster in NDB Cluster 9.7.0, as compared to earlier release series. NDB Cluster 9.7 is available as a Development release for preview and testing of new features currently ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-enterprise-telemetry.html
It enables users to instrument their applications in order to export observability data: traces, metrics and logs, enabling increased granularity of debugging and testing. The MySQL telemetry component is based on the OpenTelemetry (OTel) project, ...