https://dev.mysql.com/reproducible-test-case.html
If you are a support customer, you can use the MySQL Customer Support Center (https://www.mysql.com/support/) to alert the MySQL team about the problem and have it fixed as soon as possible. For information about steps to take when encountering ...
https://dev.mysql.com/resource-groups.html
Some attributes are fixed at creation time; others can be modified any time thereafter. MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute ...
https://dev.mysql.com/server-status-variables.html
Handler_read_rnd The number of requests to read a row based on a fixed position. The MySQL server maintains many status variables that provide information about its operation. You can view these variables and their values by using the SHOW [GLOBAL ...
https://dev.mysql.com/server-system-variables.html
Not executing init_connect for users that have the CONNECTION_ADMIN or SUPER privilege enables them to open a connection and fix the init_connect value. A numeric code may be specified with or without the MY- prefix. INSTALL_LAYOUT Value Default ...
https://dev.mysql.com/show-table-status.html
SHOW TABLE STATUS [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLE STATUS works likes SHOW TABLES, but provides a lot of information about each non-TEMPORARY table. You can also get this list using the mysqlshow --status db_name ...
https://dev.mysql.com/string-type-overview.html
[NATIONAL] CHAR[(M)] [CHARACTER SET charset_name] [COLLATE collation_name] A fixed-length string that is always right-padded with spaces to the specified length when stored. MySQL stores VARCHAR values as a 1-byte or 2-byte length prefix plus data.
https://dev.mysql.com/sys-format-statement.html
This function is useful for formatting possibly lengthy statements retrieved from Performance Schema tables to a known fixed maximum length. Given a string (normally representing an SQL statement), reduces it to the length given by the ...
https://dev.mysql.com/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/tables-table.html
The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. If there are no cached statistics or statistics have expired, statistics are retrieved from storage engines when querying table ...
https://dev.mysql.com/thread-pool-operation.html
The thread pool separates connections and threads, so there is no fixed relationship between connections and the threads that execute statements received from those connections. The thread pool consists of a number of thread groups, each of which ...
