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Janani Annur Thiruvengadam

DZone Core CORE

Data engineer at Amazon LLC

US

Joined Oct 2025

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Reputation: 731
Pageviews: 28.6K
Articles: 12
Comments: 0
  • Articles

Articles

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The Cross-Lingual RAG Problem Nobody Is Talking About
RAG works beautifully in English. For the other 6.5 billion people, it is quietly failing — and the AI community has barely noticed.
June 19, 2026
· 996 Views · 1 Like
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When Snowflake Lies to You: Understanding False Failures in dbt Pipelines
Your pipeline failed. Your code is fine. This article will walk you through why both things can be true at the same time.
June 2, 2026
· 2,054 Views
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Stop Debugging Code That Works: Identifying False Failures in Kubernetes
How to tell real Kubernetes deployment failures from false alarms by verifying builds, pods, and image digests instead of trusting platform status.
January 19, 2026
· 3,746 Views · 3 Likes
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Serverless Spark Isn't Always the Answer: A Case Study
Processing 500M+ records with 100 concurrent users under a 5-minute SLA demands smart architecture. We evaluate seven compute models and why hybrid approaches often win.
January 12, 2026
· 1,544 Views · 1 Like
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Understanding Multimodal Applications: When AI Models Work Together
Multimodal AI systems process multiple data types and their relationships simultaneously. Building multimodal capabilities should be a key focus for modern developers.
December 16, 2025
· 1,480 Views · 1 Like
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The Hidden Cost of AI Agents: A Caching Solution
The true bottleneck in AI agent systems is data access, not LLMs. Semantic caching and coordinated query handling transform performance and cost.
December 8, 2025
· 2,311 Views · 6 Likes
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Building Self-Healing Data Pipelines: From Reactive Alerts to Proactive Recovery
Self-healing AI systems mark a turning point for modern data operations. Learn its possibilities and limits, and how to adopt it safely.
December 4, 2025
· 1,529 Views · 1 Like
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AWS Airflow vs Step Functions: The Data Engineering Orchestration Dilemma
When you're building data pipelines in AWS, choosing between Managed Airflow and Step Functions isn't just a technical decision — it's a strategic one.
November 27, 2025
· 4,718 Views · 2 Likes
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Iceberg Compaction and Fine-Grained Access Control: Performance Challenges and Solutions
Implementing fine-grained access control on Apache Iceberg can create major performance challenges. Learn how Glue, Redshift, and Athena handle FGAC at scale.
November 19, 2025
· 3,197 Views · 2 Likes
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A Growing Security Concern: Prompt Injection Vulnerabilities in Model Context Protocol Systems
Prompt injection can make AI assistants a privilege‑escalation risk. Learn attack patterns and layered defenses: isolation, sanitization, validation.
November 11, 2025
· 2,156 Views · 4 Likes
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When Coalesce Is Slower Than Repartition: A Spark Performance Paradox
In this article, learn why repartition() can outperform coalesce() in Apache Spark — and how Catalyst optimizer pushdown can throttle your job’s parallelism.
October 30, 2025
· 2,689 Views · 3 Likes
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End of Static Knowledge Bases? How MCP Enables Live RAG
Learn why static RAG systems fail over time and how the Model Context Protocol (MCP) enables live, hybrid AI architectures that stay accurate and up to date.
October 29, 2025
· 2,167 Views · 2 Likes

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