Big Data meetup with Twitter feedbacks

3 May 2014 in Databases, Debian, Events, Hi-Tech, Linux

On next Monday, a meetup will take place in Paris concerning Big Data with Twitter feeback. This meetup will be live retransmitted through YouTube. The main talk will speak about how Twitter did to scale to millions of users: Twitter is one of the most heavily trafficked sites on the internet, with over 240 million active users and serving over 500 million Tweets per day. Twitter, as a company and as a service has seen remarkable growth in its eight years of existence.

PRM: automatic MySQL/MariaDB replication managment

25 April 2014 in Databases, Debian, HA, Hi-Tech, Linux, Red Hat, SQL

The Percona replication manager (PRM) is a framework using the Linux HA resource agent Pacemaker that manages replication and provides automatic failover. This covers the installation of the framework on a set of servers. The PRM framework is made of 4 components: Corosync, Pacemaker, the mysql resource agent and MySQL itself. It’s easy to setup, better if you already know how to use Pacemaker and it works like a charm. In fact it setup a master and x slaves.

PuPHPet : speed up your Vagrant deployment

6 August 2013 in Databases, Debian, Hi-Tech, Linux, Mac, Puppet, Red Hat, SQL, Virtualization, Web

Vagrant is a fast solution build on top of VirtualBox. I already talked about it in a previous post. The thing is, you could do really more with Vagrant by adding Puppet manifests or Chef recipes in your Vagrant configuration file. For those who don’t often use one of those 2 softwares, it quickly could transform into a nightmare when they want to deploy softwares in addition of the OS.

MariaDB/MySQL slides for HA and performances tuning

21 June 2013 in Databases, Debian, Hi-Tech, Linux

I recently gave a training on MariaDB/MySQL regarding performances tuning and High Availability. You can find here the slides I’ve made for it (french). Some subjects related in that document are replication master -> slave, master < -> master and Galera Cluster. You can download the PDF here or see it directly on SlideShare : I hope this will help some of you to get a better understanding on some advanced features.

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Big Data meetup with Twitter feedbacks

PRM: automatic MySQL/MariaDB replication managment

PuPHPet : speed up your Vagrant deployment

MariaDB/MySQL slides for HA and performances tuning

Pierre Mavro / Deimosfr