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https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-performance.html
Figure 19.3 Using an Additional Replication Source to Improve Performance For this to work, you must configure the MySQL instances as follows: Source 1 is the primary source where all changes and updates are written to the database. If your replicas ...Also, as each replica must receive a full copy of the source's binary log, the network load on the source may also increase and create a ... As the number ...
https://dev.mysql.com/doc/refman/8.4/en/security.html
When thinking about security within a MySQL installation, you should consider a wide range of possible topics and how they affect the security of your MySQL server and related applications: General factors that affect security. These include ...The ...
https://dev.mysql.com/doc/refman/8.4/en/symbolic-links-to-tables.html
Note Symbolic link support as described here, along with the --symbolic-links option that controls it, and is deprecated; expect these to be removed in a future version of MySQL. To determine whether your system supports symbolic links, check the ...For files used by tables for other storage engines, you may get strange problems if you try to use symbolic ...
https://dev.mysql.com/doc/refman/8.4/en/upgrade-paths.html
Monthly Rapid Updates (MRUs) and hot fixes also count as releases in this documentation. Notes Make sure you understand the MySQL release model for MySQL for MySQL long long-term support (LTS) and Innovation versions before proceeding with a ...We ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/partial.html
By default, all the files under the database subdirectories in the data directory are included in the backup, so that the backup includes data from all MySQL storage engines, any third-party storage engines, and even any non-database files in that ...This section explains options you can use to selectively back up or exclude ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-get.html
get [--include-defaults|-d] [--all] [filter_specification_list] cluster_name filter_specification_list: filter_specification[,filter_specification][,...] filter_specification: [attribute_name][:process_specification][+process_specification]] ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-asynchronous-interface-usage.html
In this discussion, asynchronous and nonblocking are used as synonyms, as are synchronous and blocking. The asynchronous C API functions cover operations that might otherwise block when reading to or writing from the server connection: The initial ... This section describes how to use the C API asynchronous ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/plugin-data-structures.html
If the plugin library contains any server plugins, it must include the following descriptor information: A library descriptor indicates the general server plugin API version number used by the library and contains a general plugin descriptor for ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-authentication-plugins-proxy-users.html
The plugin developer determines the syntax rules for the authentication string and implements the plugin according to those rules. If extuser2 connects from an example.org host, the server passes 'extuser1=mysqluserc, extuser2=mysqluserd', and the ... One of the capabilities that pluggable authentication makes possible is proxy users (see Proxy ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/adminapi-locking.html
Previously, different instances of MySQL Shell could connect and process AdminAPI operations simultaneously on the same resource. This could lead to inconsistent states and errors, for example, if Cluster.addInstance() and ...Locking Types AdminAPI ...