Arjun Sajeevan

Fastest Teradata Migration: TPT

Thu, 19 Mar 2026 00:00:00 +0000

How to move 2 Billion+ records using Teradata Parallel Transporter (TPT) for maximum throughput.

PySpark DataFrames vs. Spark SQL: Which One Should You Use?

Thu, 26 Feb 2026 00:00:00 +0000

A deep dive into performance, dynamic queries, and reusability to help you choose the right tool for your Spark pipelines.

Modernizing Architecture: Migrating from Hadoop to Data Lakehouse

Wed, 25 Feb 2026 00:00:00 +0000

A deep dive into why enterprises are moving away from legacy Hadoop systems toward a unified Data Lakehouse architecture.

Real-Time Streaming Analytics: Kafka & PySpark

Sun, 22 Feb 2026 00:00:00 +0000

A deep dive into building an event-driven data pipeline using Python, Docker, Apache Kafka, and PySpark Structured Streaming.

SQL Server Performance: Accelerating Inserts with TABLOCK

Sat, 21 Feb 2026 00:00:00 +0000

How to use TABLOCK to enable minimal logging and speed up bulk data loads in SQL Server.

Contact

Mon, 01 Jan 0001 00:00:00 +0000

I am always open to discussing data architecture, challenging engineering problems, or potential collaborations.

The best way to reach me is via email or LinkedIn. I typically respond within 24 hours.

📧 Email: arjunsajeevan.career@gmail.com
💼 LinkedIn: Arjun Sajeevan
🐙 GitHub: arjun-sajeevan

If you are reaching out regarding freelance consulting or system architecture audits, please include a brief overview of your current tech stack in your message.