January 2019
Intermediate to advanced
286 pages
7h 41m
English
Content preview from Advanced MySQL 8
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Multi-primary
This is an update-everywhere replication mechanism. While setting up, we need to set the setting option: --group_replication_single_primary_mode = OFF.
Two transactions on different servers can write at the same time.
If there is a conflict, then the transaction that gets an acknowledgement from the majority of the group members gets first commit rights. The other one fails.