Real time data engineering Articles — Developers Voice

Redis Beyond Caching: Streams, Pub/Sub, and Data Structures for Real-Time Applications

Sudhir Mangla
Real time data engineering , Database architecture
23 Jan, 2026

1 The Paradigm Shift: Redis as a Primary Multi-Model Database Redis is no longer just a fast in-memory cache sitting in front of a “real” database. Many teams now run Redis as a primary, latency

Movie Review Aggregation: Web Scraping, Score Normalization, and Real-Time Updates like Rotten Tomatoes

Sudhir Mangla
Practical Design , Real Time Data Engineering
30 Dec, 2025

1 Architectural Blueprint: Moving Beyond Simple Scraping Most movie review aggregators begin as small utilities: fetch a page, scrape a number, store it somewhere. That works for a prototype, bu

The Apache Pulsar Advantage: Why Tencent Moved from Kafka - Multi-Tenancy, Geo-Replication, and Tiered Storage in Practice

1 Introduction: The Scale Ceiling and the Architectural Pivot Streaming platforms behave very differently once they move past “large” and enter true enterprise scale. At modest volumes, most arc

ESPN-Scale Sports Platform Architecture for 10M Concurrent Fans | Real-Time Scores & Notifications

Sudhir Mangla
Practical Design , Real time data engineering
15 Dec, 2025

1 The High-Concurrency Challenge: Defining the "World Cup" Scale An ESPN-scale sports platform that supports 10 million concurrent users, delivers live scores in real time, and sends **o

Operational Dashboards at Milli-Scale: Materialized Views, Columnstore & Redis Read Models

Sudhir Mangla
Data analytics , Real time data engineering
05 Dec, 2025

1 The Latency Gap: Why Standard Queries Fail at Scale Operational dashboards succeed only if they stay fast. When a dispatcher refreshes a fleet view or a support agent checks live customer metr

Building Uber's Dynamic Pricing Engine in .NET: Supply-Demand Algorithms, Geospatial Indexing, and Real-Time Market Simulation

Sudhir Mangla
Practical Design , Real Time Data Engineering
13 Nov, 2025

1 Building Uber’s Dynamic Pricing Engine in .NET: Supply-Demand Algorithms, Geospatial Indexing, and Real-Time Market Simulation Uber’s pricing engine is one of the most fascinating real-time sy

Twitter's Trending Topics in .NET: Real-Time Stream Processing, Locality-Sensitive Hashing, and Geospatial Clustering

Sudhir Mangla
Practical Design , Real time data engineering
11 Nov, 2025

1 The 500-Million-Tweet Challenge: Architecting for Velocity and Volume Every second, thousands of tweets flood the internet — news updates, memes, breaking events, and bots fighting for visibil

ClickHouse vs. Cassandra vs. ScyllaDB: Choosing a High-Ingest Database for Real-Time Analytics

Sudhir Mangla
Real time data engineering , Database architecture
22 Oct, 2025

1 Why high-ingest real-time analytics is hard (and worth it) In today’s world of digital services, sensors, user interactions, and complex systems, the demand isn’t just for storing massive volu

Change Data You Can Trust: An Architect's Guide to CDC, Auditing, and CQRS in .NET

Sudhir mangla
.NET architecture , Real time data engineering
01 Sep, 2025

1 The Inevitability of Change: Why Capturing Data Evolution is Mission-Critical Every system we design in .NET eventually collides with the same truth: data does not stay still. Orders are created

Modeling the Real World: A Practical Guide to Building Enterprise-Scale Digital Twins with .NET and Azure Digital Twins

Sudhir mangla
Real time data engineering , Cloud architecture
29 Jul, 2025

1 Introduction: Beyond the Hype – Digital Twins as a Strategic Imperative Digital twins have moved beyond buzzwords and glossy vendor presentations. In the context of modern enterprises, digital t

Beyond Queues: Architecting Real-Time Data Streaming and Analytics Pipelines in .NET with Kafka and Apache Flink

1 Introduction: The Evolution from Batch to Real-Time 1.1 The Limitations of Traditional Batch Processing For decades, businesses relied on nightly batch jobs to process transactional data. T