Category Archives: Replication

MySQL 8.0.1 Replication Performance Improvements

MySQL 8.0.1 introduces new features and improvements to replication. The next sections summarize some related to performance.

1. WL#9556 – Writeset-based dependency tracking on the master

Transaction writesets can now be used to evaluate which transactions are independent and can be executed in parallel on the binary log applier on the asynchronous slaves.…

Performance Evaluation: MySQL 5.7 Group Replication (GA Release)

Great news: Group Replication is now officially released with MySQL 5.7.17, congratulations to everybody that worked so hard for it!

In this post I plan to share more details about the performance of Group Replication while addressing one of our frequently asked questions, which is how it performs compared to Galera.…

Order from Chaos: Member Coordination in Group Replication

We are very excited about the next release of MySQL Group Replication 0.9.0 in MySQL 5.7.15 and the great work that has been done to improve its stability. Release after release, MySQL Group Replication becomes more stable and more user-friendly and has reached a maturity level that made us declare 0.9.0 a release candidate.…