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https://dev.mysql.com/doc/refman/8.0/en/replication-binlog-encryption-encryption-keys.html
The binary log master key is used to encrypt each new log file's file password, which is a randomly generated 32-byte file password specific to the log file that is used to encrypt the file data. The file data is encrypted using AES-CTR (AES Counter ... The binary log encryption keys used to encrypt the file passwords for the log files are 256-bit keys that are generated specifically for each MySQL server instance using MySQL Server's keyring service (see Section 8.4.4, “The MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/x-plugin-options-system-variables.html
When the variable names a list of multiple values, each value must specify a single non-wildcard IP address (either IPv4 or IPv6) or a host name. If given, it must be specified as a /ns suffix immediately following the address. The host system must ... To control activation of X Plugin, use this option: --mysqlx[=value] Command-Line Format --mysqlx[=value] Type Enumeration Default Value ON Valid Values ONOFFFORCEFORCE_PLUS_PERMANENT This option controls how the server loads X Plugin at ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-transporters.html
Rows where the node_id is that of a data node which is not currently connected are not shown in this table. In NDB 8.0.37 and later, you can obtain similar information about individual transporters from the transporter_details table. This ...
https://dev.mysql.com/doc/refman/8.0/en/bug-reports.html
If you encounter an error with InnoDB tables, restart the server and see whether the problem persists, or whether the error affected only cached data in memory. If the problem occurs during compilation, include the exact error messages and also a ...
https://dev.mysql.com/doc/refman/8.0/en/replication-howto-masterstatus.html
If you are planning to shut down the source to create a data snapshot, you can optionally skip this procedure and instead store a copy of the binary log index file along with the data snapshot. The source binary log coordinates where the replica ...
https://dev.mysql.com/doc/refman/8.0/en/slow-query-log.html
Note If you specify the TABLE log destination, see Log Tables and “Too many open files” Errors. The server creates the file in the data directory unless an absolute path name is given to specify a different directory. The log_timestamps system ...To make this easier, you can use the mysqldumpslow command to process a slow query log file and summarize its ... The slow query log consists of SQL statements that ...
https://dev.mysql.com/doc/refman/8.0/en/mrr-optimization.html
The motivation for Disk-sweep MRR is to reduce the number of random disk accesses and instead achieve a more sequential scan of the base table data. The Multi-Range Read optimization provides these benefits: MRR enables data rows to be accessed ...
https://dev.mysql.com/doc/refman/8.0/en/can-not-connect-to-server.html
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 number. A Unix ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-authentication-system-variables.html
authentication_kerberos_service_key_tab Command-Line Format --authentication-kerberos-service-key-tab=file_name Introduced 8.0.26 System Variable authentication_kerberos_service_key_tab Scope Global Dynamic No SET_VAR Hint Applies No Type File name ...If FIDO authentication is attempted and this value is not the one expected by the FIDO device, the device assumes that it is not talking to the correct server and an error ...authentication_kerberos_service_principal Command-Line Format --authentication-kerberos-service-principal=name Introduced 8.0.26 System Variable authentication_kerberos_service_principal Scope ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo.html
NDB Cluster also maintains tables in the INFORMATION_SCHEMA information database, including the FILES table which contains information about files used for NDB Cluster Disk Data storage, and the ndb_transid_mysql_connection_map table, which shows ...