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https://dev.mysql.com/doc/internals/en/innodb-mutex-rwlock-implementation.html
In MySQL and InnoDB, multiple threads of execution access shared data structures. InnoDB synchronizes these accesses with its own implementation of mutexes and read/write locks. Historically, InnoDB protected the internal state of a read/write lock ...
https://dev.mysql.com/doc/internals/en/integer.html
The MySQL Protocol has a set of possible encodings for integers: Fixed-length integers Length-encoded integers 14.1.1.1.1 Fixed-Length Integer Types Protocol::FixedLengthInteger A fixed-length integer stores its value in a series of bytes with the ...
https://dev.mysql.com/doc/internals/en/myisam-directory.html
They are: mi_cache.c --- for reading records from a cache mi_changed.c --- a single routine for setting a "changed" flag (very short) mi_check.c --- for checking and repairing tables. Can be used to exactly replay a set of changes to a table.
https://dev.mysql.com/doc/internals/en/transactions-life-cycle.html
When a new connection is established, thd->transaction members are initialized to an empty state. If a statement uses any tables, all affected engines are registered in the statement engine list. In non-autocommit mode, the same engines are ...
https://dev.mysql.com/doc/internals/en/x-protocol-notices-notices.html
Global Notices Global Notices are sent by the server in case of events happen that are unrelated to the currently active message sequence: server is shutting down node disconnected from group schema or table dropped binlog events Server Shutting ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-handling-errors.html
This program demonstrates handling errors and retrying failed transactions using the NDB API. The source code for this example can be found in storage/ndb/ndbapi-examples/ndbapi_retries/ndbapi_retries.cpp in the NDB Cluster source tree. In this ...
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-audit.html
MySQL Enterprise Audit enables standard, policy-based monitoring and logging of connection and query activity, providing an auditing and compliance solution for applications that are governed by both internal and external regulatory guidelines.
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-connect.html
The first method uses the TLS (Transport Layer Security) protocol to establish an encrypted connection. The second method uses RSA key pair-based password exchange over an unencrypted connection. The following procedures assume that mysql clients ...
https://dev.mysql.com/doc/heatwave/en/heatwave-errors.html
The following list contains all current MySQL HeatWave errors in numerical order. Error number: 1043; Symbol: HW_ER_ORDER_BY_LIMIT_OFFSET Message: Error while handling ORDER BY / LIMIT [OFFSET] for Query_term_unary with select_number, [%u]. The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-conflict-resolution.html
The epoch-based conflict resolution functions NDB$EPOCH() and NDB$EPOCH_TRANS() compare the order in which epochs are replicated (and thus these functions are transactional). The NDB$EPOCH() and NDB$EPOCH_TRANS() functions discussed later in this ...