Tag: ProxySQL

ProxySQL Query Rules: Notes From Production

After spending four years working with ProxySQL in production, I’ve learned a few interesting lessons about interpreting and processing query rules. I hope to save you some time (and avoid wrong turns) with this summary of ProxySQL query rules. ProxySQL…

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Using MySQL Workbench to Connect Through ProxySQL 2

So, I admit the title for this post is a bit ambiguous. Not only is it the second post I’ve written in a short period of time, but it’s also focused on ProxySQL 2.0. As promised in the previous post,…

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Using MySQL Workbench to Connect Through ProxySQL

MySQL Workbench is a popular tool for many developers working with a MySQL backend database. In a simple environment where you can connect directly to the database it works very intuitively, but in more complex environments it might be a…

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Scaling ProxySQL rapidly in Kubernetes

It’s not uncommon these days for us to use a high availability stack for MySQL consisting of Orchestrator, Consul, and ProxySQL. You can read more details about this stack by reading Matthias Crauwels’ blog post How To Autoscale ProxySQL In…

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MySQL high availability with ProxySQL, Consul and Orchestrator

In this post, we will explore one approach to MySQL high availability with ProxySQL, Consul and Orchestrator. This is a follow up to my previous post about a similar architecture but using HAProxy instead. I’ve re-used some of the content…

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ProxySQL Configuration File & Startup Process Explained

When learning ProxySQL, we have seen some confusion around the configuration and especially around the usage of the configuration file. In this post, we will explain how ProxySQL treats its internal configuration and its configuration file. The proxysql.cnf For the…

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What to expect at ProxySQL Technology Day in Ghent

On October 3rd ProxySQL will have it’s very first technology day. They have chosen the lovely city of Ghent, Belgium, my home town, as the place to be. For those attending Percona Live Europe in Amsterdam, this is a great…

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How to Test MySQL Server Hostname with ProxySQL Multiplexing

Overview While working on a MySQL Galera cluster with ProxySQL, I was in the process of testing traffic going to the MySQL nodes by using the @@hostname command to ensure which MySQL host behind the proxy the query ran on….

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How to Autoscale ProxySQL in the cloud

ProxySQL is a great tool. It’s one of the most recommended technologies in our Open Source Database practice. Many of our clients are running it or are migrating towards it, but we’ve seen that it is pretty CPU-intensive. We’ve also…

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Obtaining an active-passive ProxySQL on FreeBSD

When designing a highly-available MySQL architecture, having a proxy to route the traffic to the appropriate instances is crucial to achieve transparent (or almost) failovers/switchovers. ProxySQL, a popular open source, SQL-level proxy is a great choice for this, and even…

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