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https://dev.mysql.com/doc/refman/5.7/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/5.7/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/5.7/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/5.7/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/5.7/en/mysql-cluster-online-operations.html
Such operations do not require single user mode for NDB table alterations made in an NDB cluster with multiple API nodes; transactions can continue uninterrupted during online DDL operations. MySQL NDB Cluster 7.5 and 7.6 support online table ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-overview-requirements.html
Communication latency between these processes can directly affect the observed performance and latency of user queries. One of the strengths of NDB Cluster is that it can be run on commodity hardware and has no unusual requirements in this regard, ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-error-reporter.html
Optionally, you can supply the name of a user that is able to access the cluster's data nodes using SSH, to copy the data node log files. ndb_error_reporter creates an archive from data node and management node log files that can be used to help ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgm.html
Advanced users can also employ this API for programming dedicated management processes to perform tasks similar to those performed by ndb_mgm. The ndb_mgm management client process is actually not needed to run the cluster. Its value lies in ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-mgmd.html
This file is created by the user and read by the management server. The management server is the process that reads the cluster configuration file and distributes this information to all nodes in the cluster that request it. Management clients can ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndbd.html
This recovery of data occurs automatically, and requires no user intervention in an NDB Cluster that is running normally. The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing ...