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https://dev.mysql.com/doc/refman/8.0/en/x-plugin-options-system-variables.html
mysqlx_connect_timeout Command-Line Format --mysqlx-connect-timeout=# System Variable mysqlx_connect_timeout Scope Global Dynamic Yes SET_VAR Hint Applies No Type Integer Default Value 30 Minimum Value 1 Maximum Value 1000000000 Unit seconds The ...
https://dev.mysql.com/doc/refman/8.0/en/backup-methods.html
Therefore, to allow a server to be restored to a point-in-time, binary logging must be enabled on it, which is the default setting for MySQL 8.0 ; see Section 7.4.4, “The Binary Log”. These binary logs are the incremental backup; at restore ...
https://dev.mysql.com/doc/refman/8.0/en/binary-log-transaction-compression.html
However, the effort required for data compression also increases, taking time and CPU and memory resources on the originating server. In NDB 8.0.31 and later, you can enable binary logging of compressed transactions for tables using the NDB storage ... Beginning with MySQL 8.0.20, you can enable binary log transaction compression on a MySQL server ...
https://dev.mysql.com/doc/refman/8.0/en/can-not-connect-to-server.html
If you get the error message Can't connect to MySQL server on some_host, you can try the following things to find out what the problem is: Check whether the server is running on that host by executing telnet some_host 3306 and pressing the Enter key ... A MySQL client on Unix can connect to the mysqld server in two different ways: By using a Unix socket file to connect through a file in the file system (default /tmp/mysql.sock), or by using TCP/IP, which connects through a port ...
https://dev.mysql.com/doc/refman/8.0/en/charset-applications.html
Specify character settings at configuration time, if you build MySQL from source. If most or all applications use the same character set, specifying character settings at server startup or configuration time may be most convenient. Applications that ... For applications that store data using the default MySQL character set and collation (utf8mb4, utf8mb4_0900_ai_ci), no special configuration should be ...
https://dev.mysql.com/doc/refman/8.0/en/check-table.html
Otherwise, if there is a possible incompatibility, the server runs a full check on the table (which might take some time). Changes are sometimes made to character sets or collations that require table indexes to be rebuilt. A table is reported as ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-monitoring.html
Monitoring Cloning Operations Using Performance Schema Stage Events A cloning operation may take some time to complete, depending on the amount of data and other factors related to data transfer. You can monitor the status and progress of a cloning ...
https://dev.mysql.com/doc/refman/8.0/en/create-view.html
The view definition is “frozen” at creation time and is not affected by subsequent changes to the definitions of the underlying tables. The DEFINER and SQL SECURITY clauses specify the security context to be used when checking access privileges ...If the view does not exist, CREATE OR REPLACE VIEW is the same as CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/data-type-defaults.html
See Section 13.2.5, “Automatic Initialization and Updating for TIMESTAMP and DATETIME”. The exception is that, for TIMESTAMP and DATETIME columns, you can specify CURRENT_TIMESTAMP as the default. See Section 13.2.5, “Automatic Initialization ... Data type specifications can have explicit or implicit default ...
https://dev.mysql.com/doc/refman/8.0/en/disk-issues.html
This makes both the seek and read times better, assuming that the disk is not used for other purposes as well. RAID N can be a problem if you have many writes, due to the time required to update the parity bits. You can also set the parameters for ... This section describes ways to configure storage devices when you can devote more and faster storage hardware to the database ...