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https://dev.mysql.com/doc/refman/5.7/en/group-replication-examples-of-use-case-scenarios.html
Autonomic Systems - Additionally, you can deploy MySQL Group Replication purely for the automation that is built into the replication protocol (described already in this and previous chapters). The following examples are typical use cases for Group ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-flow-control.html
Given the design of Group Replication, the decision whether to throttle or not may be decided taking into account two work queues: (i) the certification queue; (ii) and on the binary log applier queue. Group Replication ensures that a transaction ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-observability.html
There is a lot of automation built into the Group Replication plugin. Nonetheless, you might sometimes need to understand what is happening behind the scenes. This is where the instrumentation of Group Replication and Performance Schema becomes ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-replication-technologies.html
Before getting into the details of MySQL Group Replication, this section introduces some background concepts and an overview of how things work. This provides some context to help understand what is required for Group Replication and what the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-restarting-group.html
Group Replication is designed to ensure that the database service is continuously available, even if some of the servers that form the group are currently unable to participate in it due to planned maintenance or unplanned issues. As long as the ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-summary.html
These are very powerful properties that translate into very useful abstractions that one can resort to build more advanced database replication solutions. Group Replication is a technique that can be used to implement fault-tolerant systems. The ...
https://dev.mysql.com/doc/refman/5.7/en/gtid-functions.html
It does not take into account whether replication channels have been started or stopped. The functions described in this section are used with GTID-based replication. It is important to keep in mind that all of these functions take string ...
https://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html
ANALYZE TABLE, CACHE INDEX, CHECK TABLE, FLUSH, LOAD INDEX INTO CACHE, OPTIMIZE TABLE, REPAIR TABLE, RESET. The statements listed in this section (and any synonyms for them) implicitly end any transaction active in the current session, as if you ...
https://dev.mysql.com/doc/refman/5.7/en/index-condition-pushdown-optimization.html
For InnoDB clustered indexes, the complete record is already read into the InnoDB buffer. Index Condition Pushdown (ICP) is an optimization for the case where MySQL retrieves rows from a table using an index. Without ICP, the storage engine ...
https://dev.mysql.com/doc/refman/5.7/en/index-merge-optimization.html
The Index Merge access method retrieves rows with multiple range scans and merges their results into one. This access method merges index scans from a single table only, not scans across multiple tables. The merge can produce unions, intersections, ...