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Juju makes it easy to setup and monitor a Spark cluster with a few commands. In this guide we will setup a new cluster and deploy a Spark job using this tool. According to the official definition, Juju is a service modelling tool that allows people to model, configure and deploy applications in the cloud. It also [ ]
The code is open-source and available on Github. Introduction Anomaly detection is a method used to detect outliers in a dataset and take some action. Example use cases can be detection of fraud in financial transactions, monitoring machines in a large server network, or finding faulty products in manufacturing. This blog post explains the fundamentals of this Machine [ ]
Hiring engineers is a painful, time-consuming, error-prone process. I think we can all agree to that. If done right, a good candidate will become a part of the company who adds value to it. If done wrong, candidates can waste the interviewer s valuable time as well as their own time. Moreover, a bad candidate can also end up being [ ]
The code is open-source and available on Github. Which pages are getting an unusual hit in the last 30 minutes? Which categories of items are now hot? We want to know which items exceed a certain frequency and identify events and patterns. Answers to such questions in real-time over a continuous data stream is [ ]
Three months ago I attended the NoSQL matters conference in Barcelona. The keynote speaker was Nathan Marz. Nathan is the creator of Storm, an open source real-time processing framework on top of which I ve leveraged heavy scaling in the past 1.5 year. His blog is motivating (it s probably the reason I started this blog) and [ ]
So I will add one more post to the stack of this topic by sharing my own experiences about the startup world. I used to work for a tech startup for about a year. I was hired as the first employee doing back-end (and not only!) development. The company had already began its business 5 [ ]
The code is open-source and available on Github. Discussion on Hacker News As a first blog post, I decided to describe a way to detect first stories (a.k.a new events) on Twitter as they happen. This work is part of the Thesis I wrote last year for my MSc in Computer Science in the University [ ]