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Why single-node engines like DuckDB and Polars are getting a lot of attention?
From cluster-based engines like MapReduce or Spark to the claim "Big Data is dead"
Jan 13
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Vu Trinh
14
A strategy for doing a side project that would actually get you a job.
Having fun, learning skills and getting (a better) job
Jan 6
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Vu Trinh
17
7 insights to help you learn any OLAP systems
Before learning BigQuery, Databricks, Snowflake, Redshift, DuckDB, Clickhouse,.. you must read this.
Dec 30, 2025
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Vu Trinh
26
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Most Popular
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If you're learning Kafka, this article is for you
May 15, 2025
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Vu Trinh
453
9
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I spent 8 hours learning Parquet. Here’s what I discovered
Aug 24, 2024
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Vu Trinh
255
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Git for Data Engineers
Jul 8, 2025
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Vu Trinh
72
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3
The company that created Kafka is replacing it with a new solution
Jul 3, 2025
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Vu Trinh
188
13
I spent 8 hours learning about vector databases
Nov 11, 2025
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Vu Trinh
35
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I spent 6 hours learning PySpark
Aug 26, 2025
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Vu Trinh
34
2
Dimensions.
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Why is Text-to-SQL so hard?
Why is there a need for it? What are its challenges? Is there a way to make it easier?
Oct 16, 2025
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Vu Trinh
43
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6
Where does your task run in Apache Airflow?
Everything about the Airflow Executors
Aug 14, 2025
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Vu Trinh
54
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If you're learning Apache Spark, this article is for you
A baseline for your Spark learning and research.
Jun 26, 2025
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Vu Trinh
43
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GroupBy.
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GroupBy #44: Meta | The Data Stack
Plus: A Brief History of Modern Data Stack, How Canva collects 25 billion events per day
Jul 16, 2024
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Vu Trinh
11
GroupBy #43: Uber | Kafka - The Tiered Storage
Plus: Notion’s data lake - Building and Scaling
Jul 9, 2024
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Vu Trinh
13
1
GroupBy #42: Paypal - Scaling Kafka
Plus: Introduction to Kafka Tiered Storage at Uber, Modern Good Practices for Python Development
Jul 2, 2024
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Vu Trinh
15
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Recent posts
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I spent 8 hours learning the semantic layer
Can it resolve messy data problems for your organization?
Dec 23, 2025
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Vu Trinh
23
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Everything you need to know about LLMs
...as a data engineer
Dec 16, 2025
•
Vu Trinh
18
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9 lessons that will put you 3 years ahead as a data engineer
It took me six years to distill these insights, but you can read them in just 10 minutes.
Dec 9, 2025
•
Vu Trinh
34
VuTrinh.
My mom reads my articles to support her son. Now, she can design a data architecture and write ETL scripts.
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