In the process of enhancing MySQL replication with new features for our users, we also improve the internals. A lot of work goes also to modernize the codebase and make it easier to maintain and obviously extend as well.
In MySQL 8.0.18, we have extended the set of internal services with a group replication message passing service, therefore generalizing the communication framework for group replication.…
Group Replication enables you to create fault-tolerant systems with redundancy by replicating the system state to a set of servers. Even if some of the servers subsequently fail, as long it is not all or a majority, the system is still available.…
The latest MySQL 8.0 release is out. That is MySQL 8.0.18. We have some new replication enhancements and some work done on replication internals in this release that we would like to highlight and celebrate with our users. Here is a quick summary.…
For optimal compatibility and performance, all members of a group should run the same version of MySQL Server and therefore of Group Replication. However, in some situations, it may be required to that a group contains servers running different versions. For example, during a rolling upgrade.…
With the release of version 8.0.17 of MySQL, we bring to you the brand new Clone plugin. Allowing you to get physical snapshots of data stored in InnoDB, this new plugin is an ideal addition to your Group Replication setup.
When joining a new server into a running replication group, a manual offline provisioning procedure was required in most cases as a tool to execute this step in the context of distributed recovery was missing.…
The MySQL Development Team is very excited and proud of what was achieved in this 8.0.17 GA release!
The spotlight is on… A game-changer feature – Automatic Node provisioning!
This has been an extremely desired and important feature, and it has been accomplished, once again, with tight integration and cooperation of MySQL Components:
MySQL 8.0.17 is out. In addition to fixing a few bugs here and there, we also have a couple of new replication features that I would like to present. Thence, allow me to give you a quick summary. As usual, there shall be follow-up blog posts providing details, so stay tuned.…
With the release of version 8.0.16 of MySQL, we’ve added some features to the Group Replication (GR) plugin, in order to enhance its high-availability capacities. One of these features was the ability to enable a member that has left the group, under certain circumstances, to automatically rejoin it, without need of intervention by the user.…
In a previous blog post we presented the message fragmentation functionality that you can use starting with MySQL Group Replication 8.0.16.
No group member can have a version < 8.0.16 if you wish to use message fragmentation in a group. MySQL 8.0.16 also ships with a new Group Replication concept to help you ensuring backwards compatibility: the group’s communication protocol.…
MySQL 8.0.16 is out and it enhances Group Replication as usual. For example, the group_replication_exit_state_action system variable has a new default value, and members that the group expels can now automatically try to rejoin. This post presents a new feature MySQL 8.0.16 brings to Group Replication: message fragmentation.…