lefred's blog


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How to integrate ProxySQL in MySQL InnoDB Cluster

MySQL InnoDB Cluster is the most easy and integrated High Availability solution for MySQL. The solution is composed of: MySQL Server MySQL Group Replication Plugin MySQL Clone Plugin MySQL Router MySQL Shell All those components are developed and tested together to provide the easiest and best experience to the MySQL users. As the MySQL Router is a TCP Level 4 … Read More


pre-FOSDEM MySQL Day 2019

For the third year in a row, we will take advantage of the mass presence of our MySQL Engineers during FOSDEM to organize the pre-FOSDEM MySQL Day. The program of this 3rd edition is already on track, thank you to all the speakers who already confirmed their participation. Start End Event Speaker Company Topic Friday 1st February 09:30 10:00 MySQL … Read More


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 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


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