Vu Trinh – Medium

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Vu Trinh
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Data Engineer Things

I spent 5 hours understanding more about the Delta Lake table format

All insights from the paper: Delta Lake: High-Performance ACID Table Storage over Cloud Object Stores

17 min readMay 4, 2024

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I spent 5 hours understanding more about the Delta Lake table format

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Vu Trinh
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Data Engineer Things

How does Uber build real-time infrastructure to handle petabytes of data every day?

All insights from the paper: Real-time data infrastructure at Uber

19 min readMar 23, 2024

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How does Uber build real-time infrastructure to handle petabytes of data every day?

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Vu Trinh
in
The Deep Hub

All you need to know about the Google File System

How did Google build its large-scale file system?

16 min readMay 12, 2024

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All you need to know about the Google File System

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Vu Trinh

GroupBy #33: Data Gateway — A Platform for Growing and Protecting the Data Tier at Netflix, The…

Plus: Solving RevenueCat’s data ingestion challenges into Snowflake, From ZooKeeper to KRaft: How the Kafka migration works

6 min readMay 3, 2024

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GroupBy #33: Data Gateway — A Platform for Growing and Protecting the Data Tier at Netflix, The…

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Vu Trinh

GroupBy #32: Canva — Scaling to Count Billions, Ensuring Precision and Integrity: A Deep Dive into…

Plus: LLM fine-tuning and evaluation in BigQuery, How We Built Slack AI To Be Secure and Private

7 min readApr 28, 2024

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GroupBy #32: Canva — Scaling to Count Billions, Ensuring Precision and Integrity: A Deep Dive into…

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Vu Trinh
in
Towards Data Science

The Stream Processing Model Behind Google Cloud Dataflow

Balancing correctness, latency, and cost in unbounded data processing

14 min readApr 27, 2024

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The Stream Processing Model Behind Google Cloud Dataflow

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Vu Trinh
in
Data Engineer Things

Do We Need the Lakehouse Architecture?

When data lakes and data warehouses are not enough.

10 min readApr 20, 2024

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Do We Need the Lakehouse Architecture?

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Vu Trinh

GroupBy #31: Migrating a Trillion Entries of Uber’s Ledger Data from DynamoDB to LedgerStore, Grab…

Plus: Airbnb open sourced Chronon — ML Feature Platform, BigQuery data canvas

6 min readApr 17, 2024

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GroupBy #31: Migrating a Trillion Entries of Uber’s Ledger Data from DynamoDB to LedgerStore, Grab…

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Vu Trinh
in
Data Engineer Things

A Closer Look Into Databricks’s Photon Engine

Part 2 of Databricks’s Photon paper note: Vectorization

12 min readApr 13, 2024

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A Closer Look Into Databricks’s Photon Engine

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Vu Trinh

GroupBy #30: Uber- How LedgerStore Supports Trillions of Indexes, Composable Data Systems: Lessons…

Plus: Spotify — Data Platform Explained, Grab — Turning observations into actionable insights for enhanced decision-making.

5 min readApr 10, 2024

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GroupBy #30: Uber- How LedgerStore Supports Trillions of Indexes, Composable Data Systems: Lessons…

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Vu Trinh

Vu Trinh

🚀 My newsletter vutr.substack.com 🚀 Subscribe for weekly writing, mainly about OLAP databases and other data engineering topics.

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