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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpuinfo.html
The cpuinfo table provides information about the CPU on which a given data node executes. The cpuinfo table contains the following columns: node_id Node ID cpu_no CPU ID cpu_online 1 if the CPU is online, otherwise 0 core_id CPU core ID socket_id ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-ndbinfo-logspaces.html
This table provides information about NDB Cluster log space usage. The logspaces table contains the following columns: node_id The ID of this data node. node_id The log ID; for Disk Data undo log files, this is the same as the value shown in the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-restart-info.html
Each entry in the table corresponds to a node restart status report in real time from a data node with the given node ID. The restart_info table contains the following columns: node_id Node ID in the cluster node_restart_status Node status; see text ...Only the most recent report for any given node is ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-tc-time-track-stats.html
The tc_time_track_stats table provides time-tracking information obtained from the DBTC block (TC) instances in the data nodes, through API nodes access NDB. index_key_ops Based on duration of successful unique index key operations, tracked against ...Each TC instance tracks latencies for a set of activities it undertakes on behalf of API nodes or other data nodes; these activities include transactions, transaction errors, key reads, key writes, unique index operations, failed key operations of any type, scans, failed scans, fragment scans, and failed fragment ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-threadblocks.html
The threadblocks table associates data nodes, threads, and instances of NDB kernel blocks. The threadblocks table contains the following columns: node_id Node ID thr_no Thread ID block_name Block name block_instance Block instance number Notes The ...Although the list of possible values is static for a given NDB Cluster release, the list may vary between ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-blackhole.html
When performing binary logging, all inserts to such tables are always logged, regardless of the logging format in use. With the statement based logging format, all statements affecting BLACKHOLE tables are logged, but their effects ignored. When ...
https://dev.mysql.com/doc/refman/8.0/en/sys-extract-table-from-file-name.html
Given a file path name, returns the path component that represents the table name. It provides a convenient way to display table names, which can be more easily understood than full path names, and can be used in joins against object table names.
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-truncate-all-tables.html
Truncates all Performance Schema summary tables, resetting all aggregated instrumentation as a snapshot. Parameters in_verbose BOOLEAN: Whether to display each TRUNCATE TABLE statement before executing it. Example mysql> CALL ...
https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html
Other Uses for Cast Operations The cast functions are useful for creating a column with a specific type in a CREATE TABLE ... SELECT statement: mysql> CREATE TABLE new_table SELECT CAST('2000-01-01' AS DATE) AS c1; mysql> SHOW CREATE TABLE ... Table ...A common use for BINARY is to force a character string comparison to be done byte by byte using numeric byte values rather than character by ...