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https://dev.mysql.com/doc/refman/9.7/en/innodb-undo-tablespaces.html
Default undo tablespaces are created at initialization time to provide a location for rollback segments that must exist before SQL statements can be accepted. Additional undo tablespaces can be created at runtime using SQL statements. Doubling of ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-cpustat-1sec.html
The cpustat-1sec table provides raw, per-thread CPU data obtained each second for each thread running in the NDB kernel. Like cpustat_50ms and cpustat_20sec, this table shows 20 measurement sets per thread, each referencing a period of the named ...
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-programs-ndb-mgmd.html
--config-cache Command-Line Format --config-cache[=TRUE|FALSE] Type Boolean Default Value TRUE This option, whose default value is 1 (or TRUE, or ON), can be used to disable the management server's configuration cache, so that it reads its ... The ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndbd.html
--connect-delay=# Command-Line Format --connect-delay=# Deprecated Yes Type Numeric Default Value 5 Minimum Value 0 Maximum Value 3600 Determines the time to wait between attempts to contact a management server when starting (the number of attempts ... The ndbd binary provides the single-threaded version of the process that is used to handle all the data in tables employing the NDBCLUSTER storage ...
https://dev.mysql.com/doc/refman/9.7/en/password-management.html
Password expiration according to policy is automatic and is based on password age, which for a given account is assessed from the date and time of its most recent password change. The mysql.user system table indicates for each account when its ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-events-stages-current-table.html
The TIMER_START and TIMER_END values indicate when event timing started and ended. If an event has not finished, TIMER_END is the current timer value and TIMER_WAIT is the time elapsed so far (TIMER_END − TIMER_START). If an event is produced from ...The table stores one row per thread showing the current status of the thread's most recent monitored stage event, so there is no system variable for configuring the table ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-events-transactions-current-table.html
The TIMER_START and TIMER_END values indicate when event timing started and ended. If an event has not finished, TIMER_END is the current timer value and TIMER_WAIT is the time elapsed so far (TIMER_END − TIMER_START). If an event is produced from ...The table stores one row per thread showing the current status of the thread's most recent monitored transaction event, so there is no system variable for configuring the table ...