NoSQL Jungle
NoSQL Databases The term NoSQL, meaning “Not Only SQL”, first appeared in the late 1990s in reference to the new systems built to address the requirements of web and cloud […]
SQL, NoSQL & NewSQL
SQL, NoSQL & NewSQL
Until several years ago, the database world was simple and all SQL. Nowadays, we also have NoSQL and NewSQL. Now the question is which one is better and for what? […]
CAP Theorem
Understanding the CAP Theorem and its No Relationship to Scalability
What is the CAP theorem? It is actually a misnomer and a poorly understood result of distributed systems theory. Let’s start with the story. In 2000, Eric Brewer from UC […]
360º View at Any Scale
The Case for Shared Nothing
360º View of Monitored Systems at Any Scale: LeanXcale Linear Horizontal Scalability
Motivation: Supporting 360º View of Monitored Systems at Any Scale Monitoring applications must deal with systems of very different sizes; from a simple web server to several large data centers. […]