Jatin Demla, Author at Knoldus Blogs

Integrating Lagom Service Discovery with Kubernetes

April 27, 2019June 19, 2019Akka, cluster, DevOps, Docker, Java, Lagom, Microservices, Reactive Application, Reactive Programming, Scala, Web, Web Application, Web Serviceskubernetes

Reading Time: 3 minutes Consider a situation where a microservice is deployed on multiple pods and on condition one pod got restarted with any of the failure reason makes unreachable and at the same time interdependent services are registers its IP for communication. Now, since other pods of the service are alive but not able to communicate makes the communication failure as well as making the failure of every Continue Reading

Introducing Druid: Realtime Fast Data Analytics Database

March 27, 2019March 27, 2019Scala

Reading Time: 3 minutes In this post, we are going to learn about an ultra-fast, powerful and open source tool for real-time data analysis. Its druid this time, we will discuss why druid is so fast as well as the scenario in which condition it is suitable to use and how it internally stores the data and its architecture. What is Apache Druid? Apache Druid is a distributed, high-performance Continue Reading

Introduction to Google Kubernetes

March 13, 2018August 20, 2018DevOps, Scala

Reading Time: 3 minutes Over the past two years, Containerization has provided a lot of flexibility to the developer in which most popular container technology is docker. Container provide the developer a virtual environment for isolated process or application on the host system. Before everything else lets take a look what used to happen in past. Earlier when the number of systems for running application were limited they were Continue Reading

A step-by-step guide for protecting sensitive data in docker

December 11, 2017August 20, 2018cluster, DevOps, Scaladocker

Reading Time: 4 minutes Managing the password, access tokens and private keys are being tedious in the application. Any small mistakes accidentally expose all the secret information. Even storing such thing in docker images can be easily accessible one should just run the image in the interactive mode container and all your application code is available in containers. Docker provides secrets to protect all secret data. This blog explains Continue Reading

Knolx: Deploying Microservice on Docker

November 20, 2017August 20, 2018Scala

Reading Time: < 1 minute Knoldus has organized a 30 min session on 29th September 2017. The topic was “Deploying microservice on docker”. Many people have joined and enjoyed the session. I am going to share the slides and video here. Slides: Video: Please feel free to comment below for any query.

Integrating Kafka With Spark Structure Streaming

June 18, 2017August 20, 2018Apache Kafka, Apache Spark, Scala, Streamingkafka, Spark, Streaming

Reading Time: 2 minutes Kafka is a messaging broker system which facilitates the passing of messages between producer and consumer whereas Spark Structure streaming consumes static and streaming data from various sources like kafka, flume, twitter or any other socket which can be processed and analysed using high level algorithm for machine learning and finally pushed the result out to external storage system. The main advantage of structured streaming Continue Reading

Avro Communication over TCP Sockets

May 15, 2017August 20, 2018Scalaavro, tcp sockets

Reading Time: 2 minutes Storing/Transferring object is a requirement of most applications. What if there is a need for communication between machine having incompatible architecture. Java Serialization won’t work for that. Now, if you are thinking about Serialization Framework then you are right. So, let’s start with one of the Serialization framework Apache Avro. What is Avro? Apache Avro is a language-neutral data serialization system. It’s a schema-based system Continue Reading