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Hari Ohm Prasath
Hari Ohm Prasath

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Published in Geek Culture

·Aug 6, 2021

Batch processing in scale using Kubernetes jobs

This article talks about an approach that can help customers scale large file processing workloads in AWS EKS using Kubernetes jobs and AWS step functions. Introduction This approach uses AWS step functions to orchestrate the end-to-end flow, which involves: Reading of the input file from AWS S3 Splitting the large…

Kubernetes

10 min read

Batch processing in scale using Kubernetes jobs
Batch processing in scale using Kubernetes jobs

Published in Javarevisited

·Jul 22, 2021

Centralize Log collection with Kinesis Firehose using Lambda Extensions

Introduction This article walks through an approach to centralize log collection for lambda function with Kinesis firehose using external extensions. The provided code sample shows how to get send logs directly to kinesis firehose without sending them to AWS CloudWatch service. Note: This is a simple example extension to help…

Logs

6 min read

Centralize Log collection with Kinesis Firehose using Lambda Extensions
Centralize Log collection with Kinesis Firehose using Lambda Extensions

Published in Geek Culture

·Jun 8, 2021

Load test your Serverless Apps

This article explains an approach to run load tests for serverless application using “Artillery Core” (a free & open-source tool used for ru

Serverless

10 min read

Load test your Serverless Apps
Load test your Serverless Apps

Published in Geek Culture

·Apr 22, 2021

Simple, Yet Scalable “Blue-Green Deployments” in AWS EKS

Just by using AWS services like CodeBuild and CodePipeline. — Introduction This article explains an approach to enable blue-green deployment for applications deployed in EKS. We will use existing AWS services like CodeBuild and CodePipeline to facilitate blue-green deployments for Kubernetes applications.

Blue Green Deployment

10 min read

Simple, Yet Scalable “Blue-Green Deployments” in AWS EKS
Simple, Yet Scalable “Blue-Green Deployments” in AWS EKS

Published in Level Up Coding

·Jan 29, 2021

Testing Beyond Infinity

Wait… What? Do you live in a world where: You need to turn off the regression tests in the nightly build because it never completes You check-in a piece of code, and it takes days and sometimes weeks to conduct the testing before it gets deployed to production This article will talk…

Testing

7 min read

Testing Beyond Infinity
Testing Beyond Infinity

Published in Javarevisited

·Nov 20, 2020

Cache secrets using AWS Lambda extensions

What is the AWS Lambda extension? A month back AWS announced a preview of Lambda Extensions, a new way to easily integrate Lambda with your favorite monitoring, observability, security, and governance tools. Extensions can be published as Lambda layers, there are two types are extension: Internal extensions → Run as part of the runtime process, in-process…

Lambda

5 min read

Cache secrets using AWS Lambda extensions
Cache secrets using AWS Lambda extensions

Published in Javarevisited

·Aug 1, 2020

Graduating from Leetcode

What is LeetCode.com? It’s a website where people–mostly software engineers–practice their coding skills. It’s pretty similar to sites like HackerRank & Topcoder which will rank your code written for a particular problem against the ones submitted by other users People who use them Leetcode gets primarily used for two use cases: Solve interesting data structure problems Prepare…

Leetcode

6 min read

Graduating from Leetcode
Graduating from Leetcode

Published in Javarevisited

·Jul 1, 2020

Health checks using Spring Boot Actuator (efficient and modular)

It goes without saying when you build a native cloud application. The system should expose health check endpoints. It will enable other cloud services (like AWS Cloudwatch, Kubernetes, etc.) to monitor the health of the application continuously and trigger corresponding alerts by listening to specific metrics. …

Spring Boot

3 min read

Health checks using Spring Boot Actuator (efficient and modular)
Health checks using Spring Boot Actuator (efficient and modular)

Published in Javarevisited

·May 22, 2020

Build Code Challenge Application

Problem statement I am a big fan of leet code so when we decided to have a code challenge in our team I thought it wouldn’t be a bad idea to a build one which should include pretty basic functionalities like: Ability to register and sign in to the application Present the…

Code Challenge

4 min read

Build Code Challenge Application
Build Code Challenge Application

Published in Javarevisited

·Apr 12, 2020

Distributed caching with Ehcache using MySQL

No! new technology or additional compute resources — Problem statement I would say Ehcache is the most popular and simpler framework anyone can adopt in order to implement server-side caching. It works perfectly fine if we have a single pod system. …

Ehcache

5 min read

Distributed caching with Ehcache using MySQL
Distributed caching with Ehcache using MySQL
Hari Ohm Prasath

Hari Ohm Prasath

A software developer who loves to code and blog (http://www.hariohmprasath.com)

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