Author Archives: Harmeet Singh(Taara)

Cinnamon: Way For Monitoring & Metrics Generation for Akka ActorSystem


We are developing huge applications and deployed on multiple virtual machines and clusters. For monitoring applications, we need to enable logs into our application and analysis that logs with help of some tools like elastic stack. But !! what if … Continue reading

Posted in #telemetry, Akka, Metrics, Monitor, Scala | Tagged , , , , , , , , , , , , , | Leave a comment

Knolx – Java 9 Modulatiry


Hi all, Knoldus has organized a 30 min session on 28th May 2017 at 4:05 PM. The topic was Java 9 Modularity. Many people have joined and enjoyed the session. I am going to share the slides and Video here. Please … Continue reading

Posted in Java, jlink, modularity, Scala | Tagged , , , , | Leave a comment

Reverse engineering using Slick 3.2 and Scala


Sometime, we have requirements for create classes corresponding to the existing database or Sometimes, in our initial phase of project, we are going to design database and tables first, after that, we are going to create classes for mapping our … Continue reading

Posted in Functional Programming, Reactive, Scala, Slick | Tagged , , , , , , , , , , , , | 1 Comment

Scala Trait and Mixin – Points to Remember


Trait can be viewed not only as interfaces in other languages, but also as classes with only parameterless constructor. Whenever there is some code in trait, the trait is called mixin. trait Alarm { def trigger(): String } In scala … Continue reading

Posted in Best Practices, Functional Programming, Scala | Tagged , , , , , , , , , , , , , | Leave a comment

Knolx – Akka Finite State Machine


Hi all, Knoldus has organized a 30 min session on 17th February 2017 at 4:05 PM. The topic was Akka Finite State Machine. Many people have joined and enjoyed the session. I am going to share the slides and Video here. … Continue reading

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Building Microservices Based Enterprise Applications in Java Using Lagom – Part I


As we know, now days, most of the enterprise applications design as a “Microservices Architecture” because of scalability, sharding, loosely-coupling and many others reasons are there. On the other hand  JavaEE help us for building an Enterprise Applications. As we … Continue reading

Posted in Akka, Java, Microservices, Scala | Tagged , , , , , , , , , , | 2 Comments

Short Interview With SMACK Tech Stack !!!


Hello guy’s, today’s we conduct short interview with SMACK about its architecture and there uses. Let’s start with of some introduction. Interviewer: How would you describe your self ? SMACK: I am SMACK (Spark, Mesos, Akka, Cassandra and Kafka) and … Continue reading

Posted in Akka, Apache Kafka, apache spark, big data, Cassandra, Scala, Spark | Tagged , , , , , , , , , , , , | Leave a comment

Akka Persistence using MongoDB – Part I


Akka is a powerful actor based tool kit for Concurrency, Parallelism and Clustering. But for every concurrent applications, Akka actors are not fit because Futures are another alternative for performing Concurrency. Most of the developers follow simple rules for using … Continue reading

Posted in Akka, MongoDB, NoSql, Scala, Tutorial | Tagged , , , , , , , , | Leave a comment

Kick-Off Java 9 (Project Jigsaw & ServiceLoader) Part – II


Java  comes with major changes and new surprises for developers. Major changes came in  Java 5 and Java 8, but now Java 9 will come with new mysteries and changes. In the last post we were discussing about Java 9 … Continue reading

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Play With Java ServiceLoader forget about Dependency Injection(DI) Frameworks


In most of the applications we are using Dependency Injection for loosely couple of our code. Some time, we just require simple DI, nothing else, for those, we need to include some of our DI frameworks like Spring, Google Guice … Continue reading

Posted in Java, Scala | Tagged , , , , | 3 Comments