Tag: ProxySQL

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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Rotating your ProxySQL log files

Recently I received several questions about rotating log files for ProxySQL, so I decided to draft it up as a blog post. Let me go by this using an example. In my testing lab, I have set up a fairly…

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Releasing puppet-proxysql version 2.0.0

Everyone knows those situations where there is a task that you need to do and you want to do, but you just don’t come around to actually doing it. Well, for me, this new release was such a task. Early…

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Authenticating Vault against LDAP for accessing MySQL through ProxySQL

Earlier this year, I was presented with the challenge of streamlining user access to MySQL, allowing users self-serve access using their LDAP credentials, while logging all access. Of course, various MySQL forks allow for user auditing, but the solution is…

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