February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Group replication use cases
The MySQL group replication feature provides a way to build fault tolerant systems by replicating the state of the system throughout a set of servers. The group replication system stays available as long as the majority of servers are functioning even if some of the servers fail. Server failures are tracked by a group membership service. The group membership service relies on the distributed failure detector, which signals if any server leaves the group, voluntarily or due to unexpected halt. The distributed recovery procedure ensures that when the servers join the group, they are brought up to date automatically. Therefore, continuous database service is guaranteed with MySQL group replication. There is one problem ...
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