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MySQL Group Replication: read your own write across the group

Today is my last day in Asia (China and Taiwan), and between the sessions I had the time to code a small proof-of-concept for people that are asking how they could read their writes on all nodes and ensure the read consistency with their last write ? The usual (and easier) answer to this particular question is to read on … Read More


ProxySQL and MySQL 8.0.2 (la suite)

Recently I wrote a blog post on how to use ProxySQL with 8.0.2 dmr This blog post was related to the change we implemented in the Group Replication’s monitoring (performance_schema tables) and how sys schema should be changed to modify the view used by ProxySQL according. However, I used my labs machines that I was using for different purposes too … Read More


MySQL Group Replication: who is the primary master – updated!

Some time ago I wrote this article explaining how to find which node was the Primary Master in a MySQL Group Replication cluster running in Single-Primary Mode. In the latest release of Group Replication, MySQL 8.0.2 dmr, Jaideep improved the visibility of Group Replication extending the performance_schema tables (see his article). Thanks to these improvements, it’s now very easy to … Read More


MySQL 8.0.2 is out, some change is required to still use ProxySQL with GR

As you may know by now, MySQL 8.0.2 DMR is out ! \o/ Many features have been added (see Geir Høydalsvik‘s announcement) and of course the replication also brought new features and improvements (see this post from Luís Soares). But some improvements in the monitoring broke the added sys view used by ProxySQL to monitor the state of a member … Read More


MySQL Shell: eye candy for a future release !

  Today I presented MySQL InnoDB Cluster at the Helsinki MySQL User Group. To demonstrate how easy it’s to deploy a cluster with MySQL Shell and used the prompt that will be part of a future release just because it’s beautiful. If you also want to see how it looks like, just check the video below: There were several MongoDB … Read More


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