February 2018
Intermediate to advanced
510 pages
16h 10m
English
Content preview from MySQL 8 Administrator???s Guide
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Limitations of group replication in MySQL8
It's now time to discuss a few limitations of group replication in MySQL 8:
- Large transactions: Transactions that result to GTID contents cannot be replicated between the rest of the members of the group if they're too large. It is suggested to use smaller chunks of data that cannot be replicated in around five seconds to group members to avoid failures.
- Cluster from a group: If you try to create clusters from an existing group replication setup it will result in an error as the instance would already be part of a replication group. This is noticed currently only in MySQL's wizard mode only; an alternative solution for the issue is to disable wizard mode.
- Serializable isolation level: Serializable ...
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