René Cannaò

René Cannaò

René Cannaò



René founded ProxySQL in 2016 after developing it since 2013. He has over 15 years of experience as Database Administrator mostly on MySQL, working as Senior MySQL Support Engineer at Sun/Oracle, Senior Operational DBA at Blackbird, and consulting for small and large companies like Dropbox. In this period he build an analytic and problem solving mindset, he is always eager to take on new challenges, especially if they are related to high performance.

All Sessions

Hands on ProxySQL

There is a stigma attached to database proxies when it comes to MySQL. This tutorial hopes to blow away that stigma by showing you what can be done with a proxy designed from the ground up to be performant. That proxy is ProxySQL. In this tutorial we will not only explain how ProxySQL can make your databases(MariaDB, MySQL, Percona Server) process more transactions than without a proxy we will show you how you can leverage ProxySQL to pre-qualify upgrades, test the impact of schema changes, perform seamless failovers, rewrite offensive queries on the fly, and help you install and configure the proxy to manage queries.

HA and clustering solution: ProxySQL as an intelligent router for Galera and Group Replication

Both Galera and Group Replication provide clustering solution with virtual synchronous replication. The different replication technologies used by these two products ensure that data is replicated, consistent and safe and that several failure scenarios can be handled maintaining high availability. Although the database layer is highly available, applications rarely know the status of the various nodes in the cluster, therefore sending traffic to the wrong node(s) in a degraded system can lead to a high error rate.
ProxySQL has the ability to regularly check the status of the various nodes in the cluster, and determine which nodes are healthy and where to send traffic.
This session will present how to configure ProxySQL as a middle layer between the application and a clustering solution with either Galera or Group Replication, what algorithms are used to route traffic to the right node(s) and ensure that high availability is achieved even in case of degraded cluster conditions.

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