Is slave_exec_mode idempotent actually idempotent?

Co-Author: Rafael Alvarez When you look up the word idempotence in wikipedia you get the following definition: Idempotence is the property of certain operations in mathematics and computer science whereby they can be applied multiple times without changing the result beyond the…

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How to use procedures to increase security in MySQL

MySQL privilege system is small, almost all administrative tasks can be completed using a handful of privileges. If we exclude generic ones as ALL, SHOW DATABASES and USAGE, create and drop permissions as CREATE USER, DROP ROLE or CREATE TABLESPACE,…

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Authenticating MySQL 8.0 (Enterprise) against active directory

Recently our team was tasked to implement MySQL 8.0 in production for a client. While MySQL 8.0 is looking very promising and has a lot of cool new features and revamped old features, it’s still pretty young. The MySQL development…

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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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MySQL Plugin For Oracle Enterprise Manager 13c Cloud Control

This is the same plugin that Alex Gorvachev created back in the day. I’ve simply modified it to be compatible with both 12c and 13c versions. I created this in response to a comment on the blog about issues deploying…

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Setting up MySQL Encrypted Replication on MySQL 5.7 with GTID

In this blog post, I’ll walk you through setting up encrypted replication on MySQL 5.7 with GTID enabled. I will walk you through how to create sample certificates and keys, and then configure MySQL to only use replication via an…

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MySQL Swapping With Fsync

One problem that’s a lot less common these days is swapping. Most of the issues that cause swapping with MySQL have been nailed down to several different key configuration points, either in the OS or MySQL, or issues like the…

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Interesting happenstance when installing Ansible dependencies in a MySQL Docker container

I’ve been posting quite a bit about Docker as I’ve been working with it a lot as of late. I thought I would share something interesting I discovered a couple weeks ago while working on setting up a Docker container-based…

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Getting started with Orchestrator

Orchestrator is a MySQL high availability and replication management tool. In this blog post, we will cover the first steps for getting started with it on an existing topology. The code examples assume you are running Centos 7, but the…

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Orchestrator Datacenter Detection

Orchestrator is datacenter-aware, meaning that it takes nodes location into consideration when performing a topology change. Let’s explore the options to make Orchestrator automatically detect this configuration.   Using MySQL server One option is to use the monitored database server…

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