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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-waits-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system variable for configuring the table size. Of the tables that contain wait event rows, events_waits_current is the ...
https://dev.mysql.com/doc/refman/8.4/en/show-events.html
SHOW EVENTS [{FROM | IN} schema_name] [LIKE 'pattern' | WHERE expr] This statement displays information about Event Manager events, which are discussed in Section 27.4, “Using the Event Scheduler”. It requires the EVENT privilege for the ...
https://dev.mysql.com/doc/refman/8.4/en/sys-schema-table-statistics.html
By default, rows are sorted by descending total wait time (tables with most contention first). The schema_table_statistics and x$schema_table_statistics views have these columns: table_schema The schema that contains the table. total_latency The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/doc/internals/en/full-text-search.html
MySQL uses Ranking with Vector Spaces for ordinary full-text queries. Rank, also known as relevance rank, also known as relevance measure, is a number that tells us how good a match is. Vector Space, which MySQL sometimes calls "natural language", ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-query-analyzer-queries.html
Click on an individual query to see more detailed information about the individual query in the Details view. For more information on Normalization and Statement Digests, see Performance Schema Statement Digests and Sampling. Note If you change the ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-dbsystem-create.html
Creating a DB System 3.3 Creating a DB System Check that the correct AWS region is shown at the top of the MySQL HeatWave Console. If it is not, see: Manage Regions Creating a DB System requires the following information: Administrator credentials.
https://dev.mysql.com/doc/refman/8.4/en/audit-log-logging-configuration.html
This section describes how to configure audit logging characteristics, such as the file to which the audit log plugin writes events, the format of written events, whether to enable log file compression and encryption, and space management. The ...
https://dev.mysql.com/doc/refman/8.4/en/events-metadata.html
To obtain metadata about events: Query the EVENTS table of the INFORMATION_SCHEMA database. Event Scheduler Time Representation Each session in MySQL has a session time zone (STZ). This is the session time_zone value that is initialized from the ...