Applied Math · Performance · Real-time and Other · Throughput

Queueing Theory Explained

Let’s start this post with an extract of Murphy’s Law. If you change queue, the one that you left will start to move faster than the one you are in now. Your queue always goes the slowest. Whatever queue you join, no matter how short it looks, it will always take the longest to you… Continue reading Queueing Theory Explained

Cloud Comptuing · Distributed Computing

Demystifying OpenStack, the Cloud Operating System

For non-subjetc experts it’s not easy to get quickly introduced to OpenStack and its capabilities. Let’s try to demystify this incredibly powerful platform. OpenStack is a Cloud OS (Operating System) in the sense that it provides a set of APIs that programmatically can virtualize and manage the physical resources of any Data Center. This means:… Continue reading Demystifying OpenStack, the Cloud Operating System

News from the Web

What we see it’s not what is out there

Unfortunately, what we see is not what is really out there. Internet majors like Facebook and Google filter the data out tailoring the results to the users’ profiles. For example, Google analyses 57 signals, independently whether a user is logged in or not, trying to tailor the Search Engine output as tight as possible to… Continue reading What we see it’s not what is out there

News from the Web

IoT a market already worth 2 Billions

IoT 2 Billion Business¬†– Interesting article. Actually, the IoT (Internet of Things) targets to interconnect the billions of devices out there into a huge integrate System of Systems. The related market is already 2 billions worth for a major like Intel, but that is not all: around the System of Systems, many, many applications can… Continue reading IoT a market already worth 2 Billions

Core Development · Distributed Algorithms and Communication Protocols · Distributed Computing · Performance · Persistence

Apache Avro Schema-less Serialization: How To

Apache Avro is a well-know and recognized data serialization framework, already officially in use in toolkits like Apache Hadoop. Avro distinguishes itself from the competitors (like Google’s Protocol Buffers and Facebook’s Thrift) for its intrinsic i. simplicity, ii. speed and iii. serialization rate close to 1:1 (i.e. almost no metadata needed). It has a set… Continue reading Apache Avro Schema-less Serialization: How To