Interested in seeing the biggest MySQL “earthquakes” of all time? The infographic below tells their stories, including the lessons learned after each database failure, from reputable sources including Wired, Slashdot, TechCrunch and ZDNet. Continue reading
Category Archives: High Availability
MySQL Disasters and Xeround’s Cloud Database [Infographic]
Case Study: Leisure Places Mobile App Fiz Scales with Xeround
Looking for how to spend your free time this holiday season? Check out Fiz, a cool mobile app for leisure and social travel – and a Xeround customer – designed to match your leisure preferences to great places near or far. The Fiz let’s go places mobile app lets you discover and explore places nearby, or in a far flung part of the world. Continue reading
VIDEO: What Xeround Offers Cloud Providers
Running databases in the cloud doesn’t come easy – not for end users and not for cloud service providers. Just as developers struggle to manage their specific DB instances; similarly- cloud operators are expected to offer robust database solution – which guarantee high availability and scalability – and manage them across sometimes thousands of instances. In addition, cloud operators are also expected many times to offer a free tier as a way to ease developers’ path from development to production on their platform. The effective management of so many databases is expensive and takes a toll in terms of management and operational overhead. Continue reading
Video Marketing in the Cloud? Don’t Forget About Your Data!
Today, many organizations are questioning the transition of their applications to the cloud so I thought it would be timely to write about our experience at Blue Saki Online and more specifically, how the cloud helped our team cut down on development and operational costs, enabled faster deployment and improved reliability for mission-critical applications like our online video marketing platform, AMANDA. Continue reading
Cloud Outages and The Hitchhiker’s Guide to the Galaxy
Yup, it happened again. A little over a week ago, Amazon’s EC2 East coast data center suffered another outage affecting well-known sites such as Heroku, Pinterest, Quora, and HipChat. Once again, we’re confronted by the fact that the notion of the cloud as being always available and never going down is just plain wrong (as we’ve seen several times before). Continue reading
Xeround’s Round-Robin DNS Explained
Round-robin DNS guarantees high availability of the connection to your database in a way that does not require you to tweak your application. Continue reading
Xeround and the CAP Theorem
The CAP Theorem (or Brewer’s Theorem) states that a distributed computer system can’t posses the following three characteristics all at the same time:
- Consistency: the same data is read across the system
- Availability: the system is always responsive
- Partition Tolerance: operation continues despite network disconnects Continue reading


