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https://dev.mysql.com/doc/refman/8.4/en/mysql-config-editor.html
The file location is the %APPDATA%\MySQL directory on Windows and the current user's home directory on non-Windows systems. The file can be read later by MySQL client programs to obtain authentication credentials for connecting to MySQL Server. The ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-8.html
(Bug #20182108) Bugs Fixed Important Change: Following the changes in MySQL Server 8.0.3, the system variables tx_isolation and tx_read_only have been replaced with transaction_isolation and transaction_read_only in the code of Connector/J. (Bug ...
https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-high-availability-and-clustering.html
Alternatively, as a last option, investigate setting the MySQL server variable 'wait_timeout' to a high value, rather than the default of 8 hours. Between cycles, the driver will pause for 250 ms if no servers are available. Setting this property to ... autoReconnect Should the driver try to re-establish stale and/or dead connections? If enabled the driver will throw an exception for queries issued on a stale or dead connection, which belong to the current transaction, but will attempt reconnect before the next query issued on the connection in a new ...
https://dev.mysql.com/doc/refman/8.4/en/clone.html
CLONE clone_action clone_action: { LOCAL DATA DIRECTORY [=] 'clone_dir'; | INSTANCE FROM 'user'@'host':port IDENTIFIED BY 'password' [DATA DIRECTORY [=] 'clone_dir'] [REQUIRE [NO] SSL] } The CLONE statement is used to clone data locally or from a ...The 'clone_dir' directory is the full path of the local directory that data is cloned ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-communication-protocol.html
Group Replication in MySQL 8.4 uses the concept of a group communication protocol whose version can be managed explicitly, and set to accommodate the oldest MySQL Server version that you want the group to support. This enables groups to be formed ...MySQL 5.7.14 and later allows compression of messages (see Section 20.7.4, “Message ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-tables.html
Statement Monitoring Statement monitoring begins from the moment the server sees that activity is requested on a thread, to the moment when all activity has ceased. Typically, this means from the time the server gets the first packet from the client ...Statement events occur at a high level of the event ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-26.html
It is suitable for use with MySQL Server versions 8.0, 5.7, and 5.6. (WL #14559) Functionality Added or Changed Important Change: The mechanism for deciding on the character set and collation for communication between the server and Connector/J has ... Version 8.0.26 is the latest General Availability release of the 8.0 series of MySQL ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-plugins-overview.html
For server plugins, set up the status and system variables, if there are any. You must compile plugins with the entire server source code present, not just the libraries and header files. For a plugin compiled against MySQL 8.4.X, there is no ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-connection-attribute-tables.html
Otherwise, the server considers the attribute buffer valid and tracks the size of the longest such buffer in the Performance_schema_session_connect_attrs_longest_seen status variable. For accepted connections, the Performance Schema checks aggregate ... Connection attributes are key-value pairs that application programs can pass to the server at connect ...For applications based on the C API implemented by the ...
https://dev.mysql.com/doc/refman/8.4/en/replica-logs-status.html
A replica server creates two replication metadata repositories, the connection metadata repository and the applier metadata repository. The replica's connection metadata repository contains information that the replication I/O (receiver) thread ...