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https://dev.mysql.com/doc/refman/8.0/en/innodb-redo-log.html
The MySQL user running the backup utility or the MySQL user activating and deactivating redo log archiving manually must have this privilege. Data that is written to redo log files is encoded in terms of records affected, and this data is ... The ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-key-migration.html
In this case, it may be necessary to connect to the running server and enable keyring_operations manually using this statement: SET GLOBAL keyring_operations = ON; Online key migration provides for pausing keyring operations on a single running ...A ... A keyring migration copies keys from one keystore to another, enabling a DBA to switch a MySQL installation to a different ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-schema.html
This is true regardless of whether the replica is a single server or a cluster. This keeps the source mysqld process updated to changes performed by the NDB storage engine. This table can be updated by the user to perform filtering by database or ...
https://dev.mysql.com/doc/refman/8.0/en/persisted-system-variables.html
(This is permissible if your intent is to reconfigure the server without these settings.) To remove all settings in the file without removing the file itself, use this statement: RESET PERSIST; Manual changes to the file may result in a parse error ...This provides the convenience of remotely configuring multiple MySQL servers from a central client ...
https://dev.mysql.com/doc/refman/8.0/en/resource-groups.html
If you cannot enable the CAP_SYS_NICE capability as just described, it can be set manually using the setcap command, specifying the path name to the mysqld executable (this requires sudo access). In particular, Linux systems might require a manual ... MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute according to the resources available to the ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html
Before upgrading to MySQL 8.0, review the changes described in this section to identify those that apply to your current MySQL installation and applications. This change affects both the server and the libmysqlclient client library: For the server, ...Changes marked as Incompatible change are incompatibilities with earlier versions of MySQL, and may require your attention before ...
https://dev.mysql.com/doc/refman/8.0/en/using-systemd.html
This script assists in creating the error log file only if the log location matches a pattern (/var/log/mysql*.log for RPM platforms, /var/log/mysql/*.log for Debian platforms). For example: [Service] LimitNOFILE=max_open_files Nice=nice_level ...If ...
https://dev.mysql.com/doc/refman/8.0/en/commands-out-of-sync.html
If you get Commands out of sync; you can't run this command now in your client code, you are calling client functions in the wrong order. This can happen, for example, if you are using mysql_use_result() and try to execute a new query before you ...
https://dev.mysql.com/doc/refman/8.0/en/deploy-mysql-nonlinux-docker.html
This section discusses some known issues for the images when used on non-Linux platforms. This is because the way Docker for Windows handles file mounting does not allow a host file from being bind-mounted on the socket file. Warning The MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/full-disk.html
This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to quota-exceeded errors (such as “write failed” or “user block limit reached”). If there is enough space, it continues as if nothing ...