---
title: "Andrew Tan (@tandrew) | Hashnode"
description: "Serial entrepreneur and experienced Chief Technology Officer with a demonstrated history of working in the computer software industry. Skilled in Digital Tra..."
url: "https://hashnode.com/@tandrew"
---

@tandrew

# Andrew Tan

@tandrew · Hamburg, Germany · Joined July 2026

### [IBM Owns Confluent. Kafka Users Still Have a Runtime Problem.](https://layline.hashnode.dev/ibm-owns-confluent-kafka-users-still-have-a-runtime-problem?utm_source=hashnode&utm_medium=feed)

The Kafka protocol is still open. The commercial center of gravity is not. Seven months after IBM closed Confluent, there remain a lot of questions..

7 min read · [layline.hashnode.dev](https://layline.hashnode.dev/ibm-owns-confluent-kafka-users-still-have-a-runtime-problem?utm_source=hashnode&utm_medium=feed)

[Nov 2](https://hashnode.com/posts/ibm-owns-confluent-kafka-users-still-have-a-runtime-problem/6ae8a0b5d823b2263d0b0d88)

### [Streamhouse Is the New Buzzword. Here's the Part That Actually Matters.](https://layline.hashnode.dev/streamhouse-is-the-new-buzzword-here-s-the-part-that-actually-matters?utm_source=hashnode&utm_medium=feed)

Confluent, Aiven, and Redpanda want you to believe the streamhouse changes everything. It does change some things. But not what most struggle with

13 min read · [layline.hashnode.dev](https://layline.hashnode.dev/streamhouse-is-the-new-buzzword-here-s-the-part-that-actually-matters?utm_source=hashnode&utm_medium=feed)

[Oct 27](https://hashnode.com/posts/streamhouse-is-the-new-buzzword-here-s-the-part-that-actually-matters/6ae06b9082ca1520acc8e789)

### [dbt Is Leaving the Warehouse. Are Your Pipelines Ready?](https://layline.hashnode.dev/dbt-is-leaving-the-warehouse-are-your-pipelines-ready?utm_source=hashnode&utm_medium=feed)

dbt built the modern analytics workflow. The gap between SQL models and runtime execution is becoming the bottleneck nobody planned for.

10 min read · [layline.hashnode.dev](https://layline.hashnode.dev/dbt-is-leaving-the-warehouse-are-your-pipelines-ready?utm_source=hashnode&utm_medium=feed)

[Oct 6](https://hashnode.com/posts/dbt-is-leaving-the-warehouse-are-your-pipelines-ready/6ac504a4ec22443933be9be6)

### [Iceberg Is Easy to Demo. The Maintenance Bill Arrives Later.](https://layline.hashnode.dev/iceberg-is-easy-to-demo-the-maintenance-bill-arrives-later?utm_source=hashnode&utm_medium=feed)

Open table formats solve portability. They do not solve operations. The real work starts after the launch post: compaction, retention, and more.

9 min read · [layline.hashnode.dev](https://layline.hashnode.dev/iceberg-is-easy-to-demo-the-maintenance-bill-arrives-later?utm_source=hashnode&utm_medium=feed)

[Sep 24](https://hashnode.com/posts/iceberg-is-easy-to-demo-the-maintenance-bill-arrives-later/6ab4db25f9b7015735527db2)

### [Compliance Fails in Transit: Why Data Governance Has to Move Into the Pipeline](https://layline.hashnode.dev/compliance-fails-in-transit-why-data-governance-has-to-move-into-the-pipeline?utm_source=hashnode&utm_medium=feed)

Most governance programs focus on data at rest. The real failure point is data in motion.

9 min read · [layline.hashnode.dev](https://layline.hashnode.dev/compliance-fails-in-transit-why-data-governance-has-to-move-into-the-pipeline?utm_source=hashnode&utm_medium=feed)

[Sep 15](https://hashnode.com/posts/compliance-fails-in-transit-why-data-governance-has-to-move-into-the-pipeline/6aa926eeb231684e62840b4c)