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https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-ndbinfo-dict-obj-types.html
The dict_obj_types table is a static table listing possible dictionary object types used in the NDB kernel. The dict_obj_types table contains the following columns: type_id The type ID for this type type_name The name of this type . These are the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-diskstat.html
The diskstat table provides information about writes to Disk Data tablespaces during the past 1 second.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-diskstats-1sec.html
The diskstats_1sec table provides information about writes to Disk Data tablespaces over the past 20 seconds.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-hwinfo.html
The hwinfo table provides information about the hardware on which a given data node executes.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-pgman-time-track-stats.html
This table provides information regarding the latency of disk operations for NDB Cluster Disk Data tablespaces. The size of the page read to or written from a Disk Data tablespace is always 32 KB. Log wait latency (log_waits column) is the length ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-threads.html
The threads table provides information about threads running in the NDB kernel. You can also set both main and rep to 0, in which case the name of the resulting thread is shown in this table as main_rep_recv, and its description is main, rep and ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-list-tables.html
MYSQL_RES * mysql_list_tables(MYSQL *mysql, const char *wild) Description Returns a result set consisting of table names in the current database that match the simple regular expression specified by the wild parameter. wild may contain the wildcard ...CR_SERVER_LOST The connection to the server was lost during the ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-locking.html
Client A creates a table containing two index records (90 and 102) and then starts a transaction that places an exclusive lock on index records with an ID greater than 100. Intention Locks InnoDB supports multiple granularity locking which permits ...Shared and Exclusive Locks Intention Locks Record Locks Gap Locks Next-Key Locks Insert Intention Locks AUTO-INC Locks Predicate Locks for Spatial Indexes Shared and Exclusive Locks InnoDB implements standard row-level locking where there are two types of locks, shared (S) locks and exclusive (X) ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-lakehouse-overview.html
External Tables When MySQL HeatWave loads data and creates a table from a file in Object Storage, it is an external Lakehouse table. Lakehouse Engine The lakehouse storage engine allows you to create tables that point to external data sources. As of ...While Lakehouse provides in-memory query processing on data in Object Storage, it does not load data into a DB System ...