Data Engineering Resources

Production-Grade RAG: Why Vector Search Isn't Enough (and How Hybrid Search Fills the Gaps)

RAG pipelines are getting more and more popular with vector search at the core of them. However, vector search might not be just enough for high-quality retrieval.

June 8, 2026

by Alejandro Duarte

CORE

· 1,345 Views · 1 Like

Mastering Fluent Bit: Beginners' Guide for Contributing to our CNCF Project Docs

This intro to mastering Fluent Bit covers the entry point for developers that want to contribute to a CNCF documentation project but are not sure how.

June 8, 2026

by Eric D. Schabell

CORE

· 1,202 Views · 1 Like

A Practical Blueprint for Deploying Agentic Solutions

Learn about how middleware in AI agent frameworks enables request rewriting, tool filtering, and context control — capabilities callbacks alone can’t support.

June 8, 2026

by Abhishek Trehan

· 1,191 Views

The Middleware Gap in AI Agent Frameworks

Most agent frameworks observe model calls and allow rewriting them only after they reach the model, making an understanding of callbacks and middleware essential.

June 8, 2026

by Ninaad Rao

· 1,935 Views · 4 Likes

Mastering Fluent Bit: Beginners' Guide for Contributing to Our CNCF Project Website

This intro to mastering Fluent Bit covers the entry point for developers that want to contribute to a CNCF project website but are not sure how.

June 5, 2026

by Eric D. Schabell

CORE

· 2,672 Views · 1 Like

Prompt Injection Is Real, So I Built a Python Firewall for LLM Pipelines

promptsanitizer is a Python firewall that cleans prompts, inputs, and outputs before risky text reaches or leaves an LLM.

June 5, 2026

by Sai Teja Erukude

· 5,557 Views · 1 Like

From 24 Hours to 2 Hours: How We Fixed a Broken BI System With Apache Airflow

Broken pipelines, inaccurate data, frustrated stakeholders. Here is what we did about it and what I wish I had known before we started.

June 5, 2026

by Chinni krishna Abburi

· 2,436 Views

Is the Data Warehouse Dead? 3 Patterns From Enterprise Architecture That Answer This Question

No, but its role has fundamentally changed. Here is what I have seen work, after building data platforms at enterprise scale across multiple industries.

June 5, 2026

by Nabarun Bandyopadhyay

· 4,590 Views · 1 Like

Spring AI Advisors: Chat Memory, Token Tracking, and Message Logging

Part 3 of a step-by-step tutorial that decorates the implementation with Spring AI advisors to demonstrate how certain production concerns may be addressed.

June 5, 2026

by Horatiu Dan

CORE

· 3,539 Views · 3 Likes

Why Round-Robin Won't Save You: Load Balancing Challenges in Data Streaming Services With Heterogeneous Traffic

Throughput-based load balancing breaks down when streaming messages have heterogeneous processing costs — the fix is balancing on actual per-partition resource usage.

June 5, 2026

by Semyon Slepov

· 3,325 Views · 1 Like

Why Your Test Automation Is Always Behind the Code And the Architecture That Fixes It

Most QA teams are stuck in a manual scripting loop. Here's the requirement-driven architecture that eliminates the coverage gap permanently.

June 5, 2026

by Waqar Hashmi

· 3,197 Views

Good Data, Bad Metric: A Mutation Testing Pattern for Analytics Engineering

A mutation testing pattern for analytics metrics that checks if validation catches realistic business logic errors early.

June 4, 2026

by Prateek Arora

· 4,206 Views · 1 Like

Persistent Memory for AI Agents Using LangChain's Deep Agents

Most AI agents forget you when the session ends. deepagents fixes that — persistent per-user memory across sessions, no vector database.

June 4, 2026

by Ninaad Rao

· 3,672 Views · 4 Likes

A System Cannot Protect What It Does Not Understand

Inside the system, there is always a boundary between incoming data and stored state, and that boundary is not passive. It acts like a gatekeeper.

June 4, 2026

by Jan Nilsson

· 2,861 Views

Building a High-Throughput Distributed Sequence Generator Using the Hi-Lo Algorithm

Design scalable sequential ID generation in distributed systems using the Hi-Lo pattern with Cosmos DB to reduce contention, improve latency, and maintain ordering.

June 4, 2026

by Vikas Mittal

· 2,387 Views

The Hidden Cost of AI Tokens: Engineering Patterns for 10x Resource Efficiency

How we cut our AI API bill from $127K to $13.8K monthly — not by switching providers, but by treating tokens as a first-class architectural concern.

June 4, 2026

by Dinesh Elumalai

CORE

· 2,286 Views · 1 Like

Beyond Manual Annotation: Engineering Self-Correcting Pseudo-Labeling Pipelines

This article details a resilient pseudo-labeling architecture. It combines Redis ingestion, Matryoshka embeddings, XGBoost to neutralize self-training confirmation bias.

June 4, 2026

by Harshith Narasimhan Srivatsa

· 2,321 Views

Testing AI-Infused Apps: A Dual-Layer Framework for AI Quality Assurance

Reliable AI delivery isn't either/or—it's both/and. Test conventionally for functionality. Evaluate probabilistically for quality. Deploy with dual-discipline confidence.

June 4, 2026

by Stelios Manioudakis

CORE

· 4,225 Views · 2 Likes

Real-Time AI Inference at Scale Using Cloud Run, GPUs, and Vertex AI

Build scalable threat intel pipelines with Python, STIX/TAXII APIs, and Elasticsearch. Normalize data, preserve context, and enable fast, reliable detection.

June 4, 2026

by khadarvali shaik

· 2,361 Views

Build a GitHub Slack Bot With AWS Bedrock and MCP, Part 2

Build a Slack bot using AWS Bedrock and MCP to answer GitHub questions. Learn setup, architecture, and how to extend it with new tools and data sources.

June 4, 2026

by Sangharsh Agarwal

· 2,855 Views

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