Running Java application in Docker Container

In one of my earlier posts, we looked at how to create a Spark Application to read the Data from a CSV file. In this post, we'll take a look at how Docker image can be created for the Spark Financial Analysis application so that it can be easily run inside a container. The code … Continue reading Running Java application in Docker Container →

Financial Data Analysis using Kafka, Storm and MariaDB

In my previous posts, we looked at how to integrate Kafka and Storm for streaming loan data and cleansing the data before ingesting it into processing pipeline for aggregating the data. We also looked at how to leverage Liquibase for managing the relational database in form of immutable scripts that could be version controlled. This fits … Continue reading Financial Data Analysis using Kafka, Storm and MariaDB →

Microservices – Database management using Liquibase

Over the last few years, the proliferation of microservices and cloud native architecture patterns have surfaced new challenges that are resulting in new tools and techniques being adopted by enterprises. This allows for a seamless transition for enterprises in their cloud native journey to be more agile and nimble. In this post we'll look at … Continue reading Microservices – Database management using Liquibase →

Financial Data Analysis – Kafka, Storm and Spark Streaming

In my earlier posts, we looked at how Spark Streaming can be used to process the streaming loan data and compute the aggregations using Spark SQL. We also looked at how the data can be stored in file system for future batch analysis. We discussed how Spark can be integrated with Kafka to ingest the … Continue reading Financial Data Analysis – Kafka, Storm and Spark Streaming →

Stream Processing using Storm and Kafka

In my earlier post, we looked at how Kafka can be integrated with Spark Streaming for processing the loan data. In the Spark streaming process, we are cleansing the data to remove invalid records before we aggregate the data. We could potentially cleanse the data in the pipeline prior to streaming the loan records in … Continue reading Stream Processing using Storm and Kafka →

Financial Data Analysis using Kafka and Spark Streaming

In my earlier posts on Apache Spark Streaming, we looked at how data can be processed using Spark to compute the aggregations and also store the data in a compressed format like Parquet for future analysis. We also looked at how data can be published and consumed using Apache Kafka which is a distributed message … Continue reading Financial Data Analysis using Kafka and Spark Streaming →

Apache Kafka – Producers and Consumers

This post will provide a quick overview on how to write Kafka Producer and Kafka Consumer with a Kafka broker running locally. First, let's set-up the Kafka broker locally by downloading the TAR file and running the required scripts. Other option is to run Kafka broker locally using Docker image, however I'll stick to the … Continue reading Apache Kafka – Producers and Consumers →

Introduction to Stream Processing using Apache Spark

In my previous post, we looked at how Apache Spark can be used to ingest and aggregate the data using Spark SQL in a batch mode. There are different ways to create the Dataset from the raw data depending upon whether the schema of the ingested data is already well-known in advance (RDD of Java … Continue reading Introduction to Stream Processing using Apache Spark →

Analyzing financial data with Apache Spark

With the rise of big data processing in the Enterprise world, it's quite evident that Apache Spark has become one of the most popular framework to process large amount of data to both in the batch mode and real-time. This article won't go into the overview of Apache Spark since there is already many good … Continue reading Analyzing financial data with Apache Spark →

JWT – Token Based Authentication

In my earlier post on Cryptography, we looked at some of the cryptographic techniques and cryptographic functions that are commonly used to secure the data. In this post, we'll discuss JSON Web Token (JWT) which is one of the most commonly used token based authentication. It has become quite popular since it allows the distributed systems to … Continue reading JWT – Token Based Authentication →

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