@Jayasreeselvam
Data engineering
Nothing here yet.
Nothing here yet.
Aug 19, 2025 · 4 min read · When you hear the term Big Data, one giant name always pops up — Hadoop. And at the heart of Hadoop lies the HDFS (Hadoop Distributed File System). Think of HDFS as the superhero storage system that keeps Big Data safe, split, replicated, and ready t...
Join discussionAug 10, 2025 · 3 min read · In this article, I’ll share what I learned about Apache Spark basics. When you throw gigabytes or terabytes of data at your laptop, it dies. When you throw it at Apache Spark, it smiles and says, “Is that all you got?” Spark is a distributed computin...
Join discussionJul 28, 2025 · 3 min read · If you’re someone who wants to learn Hadoop from scratch, this guide is just for you. In this article, I’ll walk you through the step-by-step learning path, from setting up your environment to understanding core components like HDFS, MapReduce, and H...
Join discussion
Jul 28, 2025 · 3 min read · In this article, I’d like to share some of my personal experiences and learnings from the first 20 days of my #90DaysOfDataEngineering challenge. 🗓️ Day 1 — The Beginning and the Promise Starting out was quiet and intimidating. I had doubts — “Will ...
Join discussion
Jul 28, 2025 · 2 min read · Apache Airflow can seem intimidating at first, with its steep learning curve and occasional setup errors. However, once you get it running on your machine, the sense of achievement is unparalleled, especially for beginners. This guide provides a clea...
Join discussion
