January 2019
Intermediate to advanced
286 pages
7h 41m
English
Content preview from Advanced MySQL 8
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InnoDB cluster limitations
As InnoDB cluster uses Group Replication, the limitations of Group Replication are also important to understand. Refer to the limitations of Group Replication in Chapter 7, Group Replication in MySQL 8.0, for more information.
When we fire commands using MySQL Shell, the configuration is not always persisted to the disk. If so, when the machine restarts, any configuration is lost and the machine in question cannot re-join the group. In such a scenario, we cannot use the dba.rebootClusterFromCompleteOutage() command, as the configuration is not persisted. The machine, therefore, returns to its original state, causing the replication to stop responding and the command to time out.
We recommended that you use dba.configureInstance() ...
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