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FromDual ist das führende unabhängige Beratungs- und Dienstleistungsunternehmen für MySQL, Galera Cluster, MariaDB und Percona Server in Europa mit Hauptsitz in der Schweiz.

Unsere Kunden stammen hauptsächlich aus Europa und reichen vom kleinen Start-Up bis zur europäischen Top-500 Firma. Sie erhalten von uns Support bei Datenbank-Problemen, direkte Eingriffe als remote-DBA, Schulung für ihre DBAs und Entwickler sowie Beratung bei Architektur- und Design-Entscheidungen. Ausserdem entwickeln wir Tools rund um MySQL, schreiben Blog-Artikel und halten Vorträge bei Konferenzen.

Da unsere …

Recently want to install Percona XtraDB Cluster + HAProxy + KeepAlived on CentOS 7, but could not find any all-in-one guide. So decided to write down all steps necessary for getting started and running HA solution using Open Source projects. Nowadays high availability is one of the main concerns faced by big and small companies.Minimum wasting of time (downtime per year), sustainably working of infrastructure and etc. is the main mission for all companies that they are trying to achieve.There are different approaches to this mission. One of them as large companies did, to buy expensive software and support from vendors. But small companies could not go through these steps. The true power of Open Source comes up at these moments.You can build your own High Availability solution using free but yet powerful Open Source projects. In this article we will show you how to achieve Database Clustering and Load Balancing. We will use:

1. …

MySQL India team is back with another MySQL user camp.

The day of the week, time and venue remains the same:

Date: Jun 26th, 2015

Day : Friday

Time: 3-5:30 pm

Place: OC001, Block1, B wing, Kalyani Magnum Infotech Park, J.P Nagar, 7th Phase Bangalore, India

During our previous meetings we were requested by our attendees that they would like to hear about implementation of GTID by the MySQL community. We have listened to you and requested a community member to talk about their experience with the implementation of  GTID. Our first talk is :

• MySQL Tools Usage in Rakuten and Overview of Replication GTIDs

There is also a lot of interest in our new delivery vehicles for MySQL packages. Using the new YUM repos you can stay up to date with the latest MySQL releases. You need not  wait for your distro to update MySQL in their release …

Relational databases are ubiquitous in OpenStack: practically every OpenStack service stores its critical metadata in a database, and the MySQL family of databases is the de-facto standard for OpenStack relational data storage. The need for high availability for these relational datastores is obvious. Galera is the default multi-master strongly-consistent replication facility for highly-available relational data in OpenStack. In this webinar, we are joined by independent OpenStack expert Florian Haas to illustrate the ins and outs of Galera for OpenStack.

Speaker bio: Florian Haas is an open source software specialist, experienced technical consultant, seasoned training instructor, and frequent public speaker. He has spoken at conferences like LinuxCon, OSCON, linux.conf.au, the OpenStack Summit, the MySQL Conference and Expo, and countless user and meetup groups across the globe.

Duration: 60 minutes

…

In this tutorial, I will explain how to initialize and configure a Node.js+Express.js, Compass (CSS framework), and Bootstrap (front end UI framework) project.

Please note that the tutorial expects all programs already installed and installation instructions will not be provided in this tutorial. However, it should be easy to find out how to install each program.

MySQL 5.6.25 was recently released (it is the latest MySQL 5.6, is GA), and is available for download here.

For this release, there are 2 “Functionality Added or Changed” items of note:

• Functionality Added/Changed: MySQL distributions now include an innodb_stress suite of test cases. Thanks to Mark Callaghan for the contribution. (Bug #76347)
• Functionality Added/Changed: my_print_defaults now masks passwords. To display passwords in cleartext, use the new –show option.

In addition to those, there were 55 other bug fixes:

• 10 InnoDB
•   8 Replication
•   3 Partitioning (one overlaps w/ an InnoDB bug fix)
• 35 Miscellaneous (and 6 of …

Due to a number of javascript files and libraries I had included in my project (and custom code written myself), I realized that I should do something to minimize the number of HTTP requests to server by bundling up source files somehow. I used simple OS shell commands to do so on a Mac OSX but instructions should work fine on Linux (with or without some adjustments).

Last week I hosted a webinar on using MySQL in the cloud for High Availability (HA) alongside 451 Research analyst Jason Stamper. You can watch the recording and also download the slides (free) here. Just click the “Register” button at the end of that page.

We had several excellent questions and we didn’t have time to get to several of them in the allotted time. I’m posting them here along with the answers. Feel free to ask follow-up questions in the comments below.

Q: Can the TokuDB engine be used in a PXC environment?

A: No, TokuDB cannot currently be used in a PXC environment, the only supported engine in …

Goodies… but not the kind you can eat

You’re probably wondering, “What does this dandelion picture have to do with dates?” I wondered the same thing when I typed “calendar” into the image search box. Forget the dandelion. Let’s talk date table fun. On to the “goodies” I promised.In case you missed it, I posted earlier about the wonder of a “dates” table (Dates Tables (More Numbers Table Sugar)) I said I would probably make posts about why it is so wonderful. I like to deliver on what I promise.

Since the previous posts use MySQL, this will also use MySQL syntax in places. Considering how prevalent it is I’m sure not many people will complain.

For those who want to complain, you may insert into this table I created:

CREATE TABLE complaints ( complaint_id int unsigned auto_increment, …

Download MariaDB 10.0.20

Release Notes Changelog What is MariaDB 10.0?

MariaDB APT and YUM Repository Configuration Generator

The MariaDB project is pleased to announce the immediate availability of MariaDB 10.0.20. This is a Stable (GA) release.

See the Release Notes and …