The beautiful simplicity of Apache Ranger plugin

If you are here, you already know what Apache Ranger is. It is the most popular, if not the only, way to…

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Creating a YARN Application using Scala

I have been recently playing with Apache Amaterasu, which is an amazing project that helps to deploy data pipelines. It’s…

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Scala notes – Futures – 3 (Combinators and Async)

In the previous parts of this post, we discussed about Futures and Promises. In this last part, we’ll compose Futures…

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Scala notes – Futures – 2 (Promises)

In the last post, we saw how to extract values from the Future upon onComplete and their counterparts – onSuccess…

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Scala Notes – Futures – 1

Almost all modern programming languages have a Future-Promise idiom for concurrent programming. I don’t intend to bore you with why…

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Akka Notes – Finite State Machines – 2

In the first part of notes on Akka FSM, we saw the basics of Akka FSM and the outline of…

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Akka Notes – Finite State Machines – 1

I recently had the opportunity to play with Akka FSM at work for some really interesting use-case. The API (in…

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Akka Notes – Actor Supervision – 8

Failures are more like a feature among distributed systems. And with Akka’s let it crash fault tolerance model, you could…

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Akka Notes – DeathWatch – 7

When we talked about Actor lifecycle, we saw that Actors could be stopped by various means (using ActorSystem.stop or ActorContext.stop…

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