Search Results
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-cpudata-1sec.html
The cpudata_1sec table provides data about CPU usage per second over the last 20 seconds.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-cpudata-20sec.html
The cpudata_20sec table provides data about CPU usage per 20-second interval over the last 400 seconds.
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/mysql-cluster-ndbinfo-cpudata.html
The cpudata table provides data about CPU usage during the last second.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-resources.html
Notes The resource_name can be any one of the names shown in the following table: RESERVED: Reserved by the system; cannot be overridden. Thus, in a system having four data nodes and eight API nodes, the data nodes have 12 * 2 MB send buffer memory.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-error-reporter.html
--fs Command-Line Format --fs Copy the data node file systems to the management host and include them in the archive. Because data node file systems can be extremely large, even after being compressed, we ask that you please do not send archives ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-security.html
This section discusses security considerations to take into account when setting up and running NDB Cluster.
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-setup-threads-table.html
user: The instrument is directly related to user workload (as opposed to system workload). For example, threads such as thread/sql/one_connection executing a user session have the user property to differentiate them from system threads. It exposes ...
https://dev.mysql.com/doc/refman/9.7/en/select-benchmarking.html
For example: mysql> SELECT BENCHMARK(1000000,1+1); +------------------------+ | BENCHMARK(1000000,1+1) | +------------------------+ | 0 | +------------------------+ 1 row in set (0.32 sec) This result was obtained on a Pentium II 400MHz system. It ... To measure the speed of a specific MySQL expression or function, invoke the BENCHMARK() function using the mysql client ...
https://dev.mysql.com/doc/refman/9.7/en/spatial-geohash-functions.html
Geohash is a system for encoding latitude and longitude coordinates of arbitrary precision into a text string. If any SRID argument refers to an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error occurs. Geohash values are strings ...