February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Primary-secondary replication versus group replication
This section focuses on some background details of how replication works. This will be useful in understanding the requirements for group replication and how it is different from the classic asynchronous MySQL replication.
The following figure showcases how traditional asynchronous primary-secondary replication works. The primary is the master and the secondary is one or more slaves connected to the master, as shown in the following figure:
Figure 1. MySQL Asynchronous Replication
MySQL also supports semi synchronous replication in which the master waits for at least one of the slaves ...
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