September 20, 2014

How to setup Docker for Percona ClusterControl and add existing Percona XtraDB Cluster

In my previous post I showed you how to setup Percona XtraDB Cluster 5.6 on Docker. This time I will show you how to setup Percona ClusterControl and add the existing Percona XtraDB Cluster 5.6 that we’ve managed to setup from the previous post. Let us note the following details about our existing containers: 172.17.0.2 […]

Hardening your Cacti setup

If you are using Percona Monitoring Plugins for Cacti, this article should be important to you. By default, the Cacti setup is closed from accessing from Web. Here is an excerpt from /etc/httpd/conf.d/cacti.conf:

In order, to access the Cacti web interface, most likely, you will be changing this configuration. Commenting out Deny/Require statements will […]

Webinar: The Hazards of Multi-writing in a Dual-Master Setup

On November 15th at 1PM Eastern / 10 AM Pacific, I will be giving a webinar entitled “The Hazards of Multi-writing in a Dual-Master Setup“.  In my experience many people do not understand the difficulty of managing writes to RDBMS datastores in a high availability environment, especially where asynchronous replication is used (which is almost everywhere). […]

Percona XtraDB Cluster – installation and setup webinar follow up Q&A

Thanks for all, who attended my webinar, I got many questions and I wanted to take this opportunity to answer them. Q: Even ntp has a delay of 0.3-0.4 between servers does that mean a 0.25 as from logs can be an issue ? A: My demo vms were running for a few hours before […]

Upcoming Percona XtraDB Cluster – Installation and Setup webinar

Next Wednesday, September 19 at 10:00 AM PDT I will present a webinar on Percona XtraDB Cluster. The webinar focuses on the basics of XtraDB Cluster, we will install it, break it, fix it, and use HaProxy with it. If you are looking to deploy XtraDB Cluster, or just curious about the basics, register for […]

Using LVM for MySQL Backup and Replication Setup

If someone asks me about MySQL Backup advice my first question would be if they have LVM installed or have some systems with similar features set for other operation systems. Veritas File System can do it for Solaris. Most SAN systems would work as well. What is really needed is ability to create atomic snapshot […]

MySQL upgrade best practices

MySQL upgrades are necessary tasks and we field a variety of questions here at Percona Support regarding MySQL upgrade best practices. This post highlights recommended ways to upgrade MySQL in different scenarios. Why are MySQL upgrades needed? The reasons are many and include: Access to new features, performance benefits, bug fixes…. However, MySQL upgrades can […]

Using MySQL 5.6 Global Transaction IDs (GTIDs) in production: Q&A

Thank you to all of you who attended my webinar last week about Global Transaction IDs (GTIDs), which were introduced in MySQL 5.6 to make the reconfiguration of replication straightforward. If you missed my webinar, you can still listen to the recording and download the sides (free). We had a lot of questions during the […]

Migrating to Percona XtraDB Cluster 2014 edition: Sept. 10 MySQL webinar

Join me online next week (September 10 at 10 a.m. PDT) for my live webinar on Migrating to Percona XtraDB Cluster.  This was a popular webinar that I gave a few years ago, so I’m doing it again with updates for Percona XtraDB Cluster 5.6 (PXC) and all the latest in the Galera world. This webinar […]

Reducer.sh – A powerful MySQL test-case simplification/reducer tool

Let me start by saying a big “thank you” to the staff at Oracle for deciding to open source reducer.sh. It’s a tool I developed whilst I was working for them several years ago. Its sole purpose is to do one thing – but do it good: test-case simplification. So, let’s say some customer just […]