Cloud Computing
AWS -EMR Monitoring and Alerting Bot
Most of us when we start AWS for Apache Spark, one of the first service we stumble up on is EMR. With power comes…
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Java
Basic Principle of Kerberos
About this Blog This Blog is meant to explain how the kerberos protocol works, there were no document which explains everything in one place.…
Project Management
Composite Build with Gradle and Maven
What is a composite build? The name itself explains it as a build that includes other builds. In many ways a composite build is…
Uncategorized
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The 12 Factor Cloud Application
Introduction In the modern era, software is commonly delivered as a service: called web apps, or software-as-a-service. The twelve-factor app is a methodology for building software-as-a-service…
Cloud Computing
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Advanced Docker Tips for Developers
In this post, we will start with a quick introduction to Docker and then learn about from my curated list of guideline to help…
Java
Opentracing in Java for microservices observability
What is Observability? ” In control theory, Observability is a measure of how well internal states of a system can be inferred by knowledge…
Data Engineering
MongoDB with REST API
MONGODB MongoDB stores data records as BSON documents. BSON is a binary representation of JSON documents, though it contains more data types than JSON.…
Code
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Using REST with SAML in Java
This article is a follow-up to Implementing SAML in Java. We have a Java application built with spring security and spring security SAML. SAML…
Data Engineering
Working with Datalake using Redshift Spectrum
We were tasked to build a data pipeline for a client and which was earlier built like any other common pipeline which included ETL, extracting…
JavaScript
Introduction to Asynchronous javascript -Callbacks, Promises and Async/Await
Javascript is a synchronous and single threaded programming language which means all codes are executed in sequence and not in parallel.Though, this single threaded…