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https://dev.mysql.com/doc/refman/8.0/en/monitor-innodb-mutex-waits-performance-schema.html
A mutex is a synchronization mechanism used in the code to enforce that only one thread at a given time can have access to a common resource. When two or more threads executing in the server need to access the same resource, the threads compete ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-binary-log.html
Startup Options Used with Binary Logging System Variables Used with Binary Logging You can use the mysqld options and system variables that are described in this section to affect the operation of the binary log as well as to control which ...
https://dev.mysql.com/doc/refman/8.0/en/kerberos-pluggable-authentication.html
Note Kerberos pluggable authentication is an extension included in MySQL Enterprise Edition, a commercial product. MySQL Enterprise Edition supports an authentication method that enables users to authenticate to MySQL Server using Kerberos, ...
https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html
Table 14.15 Cast Functions and Operators Name Description Deprecated BINARY Cast a string to a binary string Yes CAST() Cast a value as a certain type CONVERT() Cast a value as a certain type Cast functions and operators enable conversion of values ...
https://dev.mysql.com/doc/refman/8.0/en/resource-groups.html
MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute according to the resources available to the group. Group attributes enable control over ...
https://dev.mysql.com/doc/refman/8.0/en/manual-info.html
This is the Reference Manual for the MySQL Database System, version 8.0, through release 8.0.45. Differences between minor versions of MySQL 8.0 are noted in the present text with reference to release numbers (8.0.x). This manual is not intended ...
https://dev.mysql.com/doc/refman/8.0/en/source-installation-doxygen.html
The MySQL source code contains internal documentation written using Doxygen. It is also possible to generate this content locally from a MySQL source distribution using the following procedure: Install doxygen 1.9.2 or later. After installing ...
https://dev.mysql.com/doc/refman/8.0/en/explain.html
{EXPLAIN | DESCRIBE | DESC} tbl_name [col_name | wild] {EXPLAIN | DESCRIBE | DESC} [explain_type] {explainable_stmt | FOR CONNECTION connection_id} {EXPLAIN | DESCRIBE | DESC} ANALYZE [explain_type] select_stmt explain_type: { FORMAT = format_name ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-recovery.html
To achieve point-in-time recovery after restoring a backup, you can apply changes from the binary log that occurred after the backup was made. Recovery from Data Corruption or Disk Failure If your database becomes corrupted or disk failure occurs, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-top.html
ndb_top displays running information in the terminal about CPU usage by NDB threads on an NDB Cluster data node. Each thread is represented by two rows in the output, the first showing system statistics, the second showing the measured statistics ...