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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-starting.html
If binary logging has not previously been running on the source, run the following statement on the replica: mysqlR> CHANGE REPLICATION SOURCE TO -> SOURCE_LOG_FILE='', -> SOURCE_LOG_POS=4; This instructs the replica to begin reading the source ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-two-channels.html
In a more complete example scenario, we envision two replication channels to provide redundancy and thereby guard against possible failure of a single replication channel. This requires a total of four replication servers, two source servers on the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-security-mysql-privileges.html
The most important points to remember regarding the MySQL privilege system with regard to NDB Cluster are listed here: Users and privileges established on one SQL node do not automatically exist or take effect on other SQL nodes in the cluster. In ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-what-is-new.html
At the end of the epoch, those pointers were reset, arena memory was released, and the arena structures discarded; this released the memory, but also required setting it up again for the next epoch. The thread local pointer changes also introduced ... What is New in NDB Cluster 8.4 Changes in NDB 8.x Innovation Releases The following sections describe changes in the implementation of MySQL NDB Cluster in NDB Cluster 8.0 through 8.0.44, as compared to earlier release ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/doc/refman/8.4/en/mysqld-safe.html
If the full path points to a nonexistent or unreadable file, mysqld_safe aborts with an error. mysqld_safe is the recommended way to start a mysqld server on Unix. mysqld_safe adds some safety features such as restarting the server when an error ...
https://dev.mysql.com/doc/refman/8.4/en/nested-join-optimization.html
The preceding examples demonstrate these points: For join expressions involving only inner joins (and not outer joins), parentheses can be removed and joins evaluated left to right. The following discussion refers to the join syntax described in ...
https://dev.mysql.com/doc/refman/8.4/en/numeric-functions.html
Table 14.8 Numeric Functions and Operators Name Description %, MOD Modulo operator * Multiplication operator + Addition operator - Minus operator - Change the sign of the argument / Division operator ABS() Return the absolute value ACOS() Return ...
https://dev.mysql.com/doc/refman/8.4/en/optimize-benchmarking.html
Performance can vary depending on so many different factors that a difference of a few percentage points might not be a decisive victory. To measure performance, consider the following factors: Whether you are measuring the speed of a single ...