Best practices for replication
MySQL 8 has done some great improvements in the replication part. The purpose of MySQL 8 is all about scalability, performance, and security with utmost integrity of data, which is expected to be a game-changer in big data too.
Throughput in group replication
Group replication basically takes care of committing transactions once most of the members in group replication have acknowledged the transaction received concurrently. This helps in a better throughput if the overall number of writes is not exceeding the capacity of the members in group replication. If there is a case where capacity is not planned appropriately, you would notice lags on affected members as compared to other members in the group.
Infrastructure sizing
Infrastructure sizing
is a common success factor for performance and the best practices checklist. If infrastructure sizing is not proper or uneven across the nodes in group replication, it might adversely impact replication fundamentals topology...