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https://dev.mysql.com/doc/refman/5.7/en/group-replication-launching.html
Otherwise, you must install the plugin manually; to do this, connect to the server using the mysql client, and issue the SQL statement shown here: mysql> INSTALL PLUGIN group_replication SONAME 'group_replication.so'; Important The mysql.session ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-internal-data.html
This is not like user tables, where the data changes only when application-initiated updates occur. Because InnoDB must temporarily stall while the transaction and locking data is collected, too frequent queries of these tables can negatively impact ... The data exposed by the transaction and locking tables (INNODB_TRX, INNODB_LOCKS, and INNODB_LOCK_WAITS) represents a glimpse into fast-changing ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-intro.html
You can map multiple columns into the “value” part of the key-value store, with column values delimited by a user-specified separator character. Advanced users can configure the system as a traditional memcached server, with all data cached only ... The InnoDB memcached plugin implements memcached as a MySQL plugin daemon that accesses the InnoDB storage engine directly, bypassing the MySQL SQL ...
https://dev.mysql.com/doc/refman/5.7/en/macos-installation-launchd.html
macOS uses launch daemons to automatically start, stop, and manage processes and applications such as MySQL. The md5 checksum of a file containing the above snippet is 24710a27dc7a28fb7ee6d825129cd3cf. To enable the launchd service, you can either: ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-general-info.html
Instead, users of NDB Cluster binaries from Oracle should upgrade to the most recent binary release of NDB Cluster for supported platforms—these include RPMs that should work with most Linux distributions. NDB Cluster users who build from source ... MySQL NDB Cluster uses the MySQL server with the NDB storage ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-nodes-groups.html
(You should be aware that the number of LDM threads increases with the value of this parameter, but not in a strictly linear fashion, and that there are additional constraints on setting it; see the description of MaxNoOfExecutionThreads for more ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-installer-catalog-dashboard.html
If you are using a Commercial release of MySQL Installer, the icon opens the MySQL Installer Commercial License Information User Manual for licensing information, including licensing information relating to third-party software that may be included ... This section describes the MySQL Installer product catalog, the dashboard, and other actions related to product selection and ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-metadata-locks-table.html
Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), tablespaces, user locks acquired with the GET_LOCK() function (see Section 12.14, “Locking Functions”), and ...
https://dev.mysql.com/doc/refman/5.7/en/show-slave-hosts.html
User: The replica server user name as, specified on the replica with the --report-user option. SHOW SLAVE HOSTS Displays a list of replicas currently registered with the source. SHOW SLAVE HOSTS should be executed on a server that acts as a ...
https://dev.mysql.com/doc/refman/5.7/en/sys-sys-get-config.html
By convention, routines that call sys_get_config() first check whether the corresponding user-defined variable exists and is non-NULL. If the variable does not exist or is NULL, the routine reads the option value from the table and sets the ...