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https://dev.mysql.com/doc/connectors/en/connector-j-connp-props-security.html
This may be required when using external JSSE providers or to specify cipher suites compatible with both MySQL server and used JVM. For 8.0.12 and earlier: Use SSL when communicating with the server, default is "true" when connecting to MySQL ...
https://dev.mysql.com/doc/connectors/en/connector-j-reference-charsets.html
For example, to use the 4-byte UTF-8 character set with Connector/J, configure the MySQL server with character_set_server=utf8mb4, and leave characterEncoding and connectionCollation out of the Connector/J connection string. Setting the Character ...
https://dev.mysql.com/doc/connector-j/en/connector-j-connp-props-security.html
This may be required when using external JSSE providers or to specify cipher suites compatible with both MySQL server and used JVM. For 8.0.12 and earlier: Use SSL when communicating with the server, default is "true" when connecting to MySQL ...
https://dev.mysql.com/doc/connector-j/en/connector-j-reference-charsets.html
For example, to use the 4-byte UTF-8 character set with Connector/J, configure the MySQL server with character_set_server=utf8mb4, and leave characterEncoding and connectionCollation out of the Connector/J connection string. Setting the Character ...
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 ...When the optional DATA DIRECTORY [=] 'clone_dir' clause is not used, a cloning operation removes existing data in the recipient data directory, replaces it with the cloned data, and automatically restarts the server ...
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 ...When a new member joins a replication group, it checks ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-use-cases.html
Even if some of the servers subsequently fail, as long it is not all or a majority, the system is still available. Tip To deploy multiple instances of MySQL, you can use InnoDB Cluster which enables you to easily administer a group of MySQL server ... Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-general-info.html
MySQL NDB Cluster uses the MySQL server with the NDB storage engine. Support for the NDB storage engine is not included in standard MySQL Server 8.4 binaries built by Oracle. (Locations where the sources can be obtained are listed later in this ...
https://dev.mysql.com/doc/refman/8.4/en/unix-signal-response.html
This section describes how the MySQL server and client programs respond to signals. Server Response to Signals Client Response to Signals Server Response to Signals mysqld responds to signals as follows: SIGTERM causes the server to shut down. Some ... On Unix and Unix-like systems, a process can be the recipient of signals sent to it by the root system account or the system account that owns the ...
https://dev.mysql.com/doc/refman/8.4/en/user-names.html
This means that anyone can attempt to connect to the server using any user name, so you cannot make a database secure in any way unless all MySQL accounts have passwords. Warning The MySQL user name length limit is hardcoded in MySQL servers and ...