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New Galera Cluster version is now released! It includes patched MySQL server 5.6.21 and Galera replication provider 3.9
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Coderhsip is pleased to announce a new release of Galera Cluster for MySQL consisting of MySQL-wsrep 5.6.21 and Galera 3.9, wsrep API version 25.


This release incorporates all changes up to MySQL 5.6.21 and numerous fixes

and enhancements specific to Galera replication.


Galera Cluster is now available as targeted packages and package repositories

for a number of Linux distributions, including Ubuntu, Debian, Fedora, CentOS,

OpenSUSE and SLES. Obtaining packages using a package repository removes …

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Galera as central building block for OpenStack high availability
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By Erkan Yanar 02-11-2014


OpenStack is likely the most popular open-source cloud computing platform (for IaaS or PaaS). Running OpenStack for yourself or for customers you likely want to run it without losing data and be able to scale while business grows. In this blog we are going to give a short overview to the OpenStack architecture, focusing on the Database(MySQL/MariaDB) part. Then we are going to discuss why Galera is an essential building block to achieve HA of the database and provide scaling even for very big installations.


The quite basic setup consists of:

A …

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Running a Galera Cluster for MySQL on Microsoft Azure
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By Holger Kenn


A few weeks ago, I was looking into running a MySQL Galera Cluster for a customer with a large Linux IAAS deployment on Azure.

Why that? There’s ClearDB, a Microsoft Partner that offers MySQL on Azure as SaaS (Software as a service), so you can go to and pick your size. Or, if you want to run it on your own, you can pick a Ubuntu Linux Gallery image and type “apt-get install mysql-server” and that’s it, right? Well, not so fast…

ClearDB is a great offering for most customers …

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Slides from past conferences
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Here are my slides from past conferences. They were generated from Org Mode and Beamer. You can read more about it here.

You can get more info on the talks on their respective pages(linked).

Talk at FOSDEM 2013:

Feed me more: MySQL Memory …

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Top Two Signs your MySQL Database is Maxing Out
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One of the main responsibilities of any database administrator is to keep a close eye on how database performance is impacting size and storage. Decisions will have to be made on whether or not to make changes within the database structure or application itself, or to make the changes on the storage and resource side [...] Read More

How to Tune a MySQL Application Like a Piano
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A default installation of MySQL is easy to perform, but if you really want your databases to sing, you should tune them like you would tune a piano. In MySQL tuning pertains to either the application or the database system. In this post, we cover some common tuning techniques and best practices to increase your [...] Read More

Setting Shakespeare Straight. NoSQL, NewSQL or MySQL: THAT is the Question.
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Come Find the Answer Launching a next-gen app?  You need a next-gen database.  But figuring out which one is no walk-in-the-park. Tune in next Tuesday to a webinar where Matt Aslett, research manager for data management and analytics at 451 Research, Doron Levari, ScaleBase’s CTO, and I will discuss:

The increasingly complex and ever-changing database market The benefits and [...] Read More

Calling all next gen app providers: Who’s got your back?
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Next gen app providers (and perhaps more specifically, database architects) are clamoring for database technologies that just work. At least, that’s the message we got from one of our newest customers: Mozilla. Earlier this month, we caught up with Sheeri Cabral, database architect at Mozilla and and overall MySQL rock star, to get the down-and-dirty on why [...] Read More

Linus on Instantiation and Armadaification
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I feel a sense of pride when I think that I was involved in the development and maintenance of what was probably the first piece of software accepted into Debian which then had and still has direct up-stream support from Microsoft. The world is a better place for having Microsoft in it. The first operating system I ever ran on an 08086-based CPU was MS-DOS 2.x. I remember how thrilled I was when we got to see how my friend’s 80286 system ran BBS software that would cause a modem to dial a local system and display the application as if it were running on a …

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Google fighting against regular content as well?
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Whatever Google intended to do with the latest update, I personally think there was some collateral damage done to sites like . Since this is only a site I created to show people how joins can be used within MySQL (for free), I never spent money to a SEO agency or something. All I did was installing a SEO Plugin for WordPress. Am I guilty of “over optimizing” now?

The site is approx. 1,5 years old and it grew slowly. The first few month nothing really happened, then people somehow started to link to us , people on started to reference us and things like that. …

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Showing entries 1 to 10 of 67 10 Older Entries

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