Replication topologies, whether master-slave or group replication setups, may be composed of servers using different MySQL versions.

In MySQL 8.0.14, each transaction’s immediate and original server versions are now visible in the binary log as session variables. These two new variables, fully managed by the replication infrastructure, are used to support cross-version replication by transmitting the MySQL server release numbers associated with each transaction through the replication topology:

• original_server_version stores the MySQL Server release number of the server where a transaction was originally committed (for example, 80014 for a MySQL 8.0.14 server instance).

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As we showed on the introduction post, in MySQL 8.0.14 Group Replication was once again improved. Now the developer can specify which is the consistency level of all group transactions or even of a single transaction.

Note that this is about consistency in terms of the global synchronization of transactions in the group.…

This blog post completes the series that we have been composing to detail every single new feature added in the latest MySQL InnoDB Cluster release, as mentioned in the release announcement of 8.0.14. We’ll close the series now with the details about the new features that improve the management capabilities of MySQL Shell: “Extended status information available from <Cluster.>status()” and “Redesigned and extended <Cluster.>rescan()”.…

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This blog post follows the series that we have been composing to detail every single new feature added in the latest MySQL InnoDB Cluster release. As listed in the release announcement of 8.0.14, we’re very happy with new features that greatly enhance the whole experience and capabilities of InnoDB cluster!…

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The MySQL Group Replication (GR) feature is a multi-primary update anywhere or single-primary replication plugin for MySQL with built-in conflict detection and resolution, automatic distributed recovery, and group membership.

Its goal it is to make high-availability (HA) simple with off-the-shelf hardware, not only to new applications but also existing ones – that was one of the motivations of the single-primary mode.…

As listed in the release announcement of the latest MySQL InnoDB Cluster release, 8.0.14 brings exciting new features! This blog post integrates a series detailing every single new feature added. We’ll follow up now with two very desired and useful features: “Checking current cluster configuration options” and “Changing cluster members or global cluster options ‘live'”.…

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As listed in the release announcement of the latest MySQL InnoDB Cluster release, 8.0.14 brings exciting new features! This blog post is the first of a series detailing every single new feature added, starting by: “Changing cluster topology modes ‘live‘”.…

The MySQL Development Team is very happy to announce a new 8.0 Maintenance Release of InnoDB Cluster – 8.0.14!

In addition to bug fixes, 8.0.14 brings exciting new features!

MySQL Shell

For this release, we have focused on extending the AdminAPI with several highly desired features.…

MySQL 8.0.14 is out and it contains some new and very interesting replication enhancements. As always, we are very pleased to share with you the details about the exciting new features in this release.

This blog post will provide you a summary of the features and subsequent blog posts will dive into the mechanics and details of each one.…

In this blog post I’ll be starting another series with MySQL on the Oracle Cloud, but focusing this  post on IaaS initial setups.  In “the series” I’ll review at a high level, building an InnoDB Cluster on IaaS Compute in the Oracle Cloud, mostly focusing certain cloud characteristics as they pertain to building, staging and managing… Read More »