---
title: "Aniruddha Banerjee (@aniruddhawrites) | Hashnode"
description: "Learn AI, Data Engineering, Cloud Architecture, Microsoft Fabric, Databricks, Azure, AWS, Power BI & Automation through practical tutorials"
url: "https://hashnode.com/@aniruddhawrites"
---

@aniruddhawrites

# Aniruddha Banerjee

@aniruddhawrites · Kolkata, India · Joined July 2026

Learn AI, Data Engineering, Cloud Architecture, Microsoft Fabric, Databricks, Azure, AWS, Power BI & Automation through practical tutorials

[Website](https://aniruddhawrites.github.io/)

### [When Fast Ingestion Creates Slow Analytics](https://aniruddhawrites.hashnode.dev/when-fast-ingestion-creates-slow-analytics?utm_source=hashnode&utm_medium=feed)

Learn why thousands of small S3 files hurt analytical workloads how Parquet, compaction, Iceberg create efficient data layout for Redshift Spectrum.

27 min read · [aniruddhawrites.hashnode.dev](https://aniruddhawrites.hashnode.dev/when-fast-ingestion-creates-slow-analytics?utm_source=hashnode&utm_medium=feed)

[Aug 29](https://hashnode.com/posts/when-fast-ingestion-creates-slow-analytics/6a92644176ae31923b1a71c4)

### [Independence Is Not an Event. It Is a Capability.](https://aniruddhawrites.hashnode.dev/independence-is-not-an-event-it-is-a-capability?utm_source=hashnode&utm_medium=feed)

From nation-building to digital public infrastructure, India's journey reminds us that true independence is sustained through capabilities built and strengthened across generations.

10 min read · [aniruddhawrites.hashnode.dev](https://aniruddhawrites.hashnode.dev/independence-is-not-an-event-it-is-a-capability?utm_source=hashnode&utm_medium=feed)

[Aug 15](https://hashnode.com/posts/independence-is-not-an-event-it-is-a-capability/6a802263540ae207d709cd82)

### [The DISTKEY That Was Right, and Still Wrong](https://aniruddhawrites.hashnode.dev/root-cause-beyond-the-dashboard?utm_source=hashnode&utm_medium=feed)

A Redshift Investigation That Traced the Real Root Cause Across Five Layers

23 min read · [aniruddhawrites.hashnode.dev](https://aniruddhawrites.hashnode.dev/root-cause-beyond-the-dashboard?utm_source=hashnode&utm_medium=feed)

[Aug 6](https://hashnode.com/posts/root-cause-beyond-the-dashboard/6a74c73cba54eec462b5b00b)

### [The Post-Acquisition Assumption Gap](https://aniruddhawrites.hashnode.dev/the-post-acquisition-assumption-gap?utm_source=hashnode&utm_medium=feed)

Why a single Product Master change exposed the hidden assumptions behind CDC, SCD, intent capture, and enterprise governance.

11 min read · [aniruddhawrites.hashnode.dev](https://aniruddhawrites.hashnode.dev/the-post-acquisition-assumption-gap?utm_source=hashnode&utm_medium=feed)

[Jul 17](https://hashnode.com/posts/the-post-acquisition-assumption-gap/6a5a830280634967a3771545)

### [When Data Becomes the Bottleneck: Unmasking the Real Culprit Behind SLT Misses](https://aniruddhawrites.hashnode.dev/when-data-becomes-the-bottleneck-unmasking-the-real-culprit-behind-slt-misses?utm_source=hashnode&utm_medium=feed)

We kept blaming the data. Turns out, the data was innocent. 🔍

7 min read · [aniruddhawrites.hashnode.dev](https://aniruddhawrites.hashnode.dev/when-data-becomes-the-bottleneck-unmasking-the-real-culprit-behind-slt-misses?utm_source=hashnode&utm_medium=feed)

[Jul 11](https://hashnode.com/posts/when-data-becomes-the-bottleneck-unmasking-the-real-culprit-behind-slt-misses/6a521d2be81b800cada0e698)