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Cutting a production AWS Glue pipeline's runtime by about half, plus two bugs that taught me more

Cutting a production AWS Glue pipeline's runtime by about half, plus two bugs that taught me more

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4 min read
Don't Let Unity Catalog Migration Become Your Resume Generating Event

Don't Let Unity Catalog Migration Become Your Resume Generating Event

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5 min read
Spark Is a Smart Engine. So Why Doesn't It Cache Automatically?

Spark Is a Smart Engine. So Why Doesn't It Cache Automatically?

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3 min read
Is Your Data Lake Actually A Landfill?

Is Your Data Lake Actually A Landfill?

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5 min read
Why are you still debugging Spark on your host machine?

Why are you still debugging Spark on your host machine?

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4 min read
Spark's coupling was thinner than it looked

Spark's coupling was thinner than it looked

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5 min read
Microsoft Fabric Now Encrypts Spark Temporary Data with Customer-Managed Keys;What It Actually Means

Microsoft Fabric Now Encrypts Spark Temporary Data with Customer-Managed Keys;What It Actually Means

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5 min read
Apache Spark & PySpark, Explained Without a PhD

Apache Spark & PySpark, Explained Without a PhD

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7 min read
The Day I Realized "It Ran Successfully" Means Nothing in Databricks Production

The Day I Realized "It Ran Successfully" Means Nothing in Databricks Production

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6 min read
Python batch를 Spark로 옮겼더니 802.675가 달라졌다

Python batch를 Spark로 옮겼더니 802.675가 달라졌다

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3 min read
I built a real Spark event-log parser instead of faking it with sample data

I built a real Spark event-log parser instead of faking it with sample data

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2 min read
Why do I learn Apache Spark as I move from Data Analyst to Data Engineer?

Why do I learn Apache Spark as I move from Data Analyst to Data Engineer?

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2 min read
Spark Performance Deep Dive on Databricks: Shuffle Tuning, Skew Handling, and Z-Ordering with Delta Lake + Unity Catalog

Spark Performance Deep Dive on Databricks: Shuffle Tuning, Skew Handling, and Z-Ordering with Delta Lake + Unity Catalog

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5 min read
Azure Databricks vs Microsoft Fabric: An Honest Guide to When to Use What

Azure Databricks vs Microsoft Fabric: An Honest Guide to When to Use What

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5 min read
Azure Databricks for MLOps and Feature Engineering at Scale with Apache Spark, Delta Lake, and MLflow

Azure Databricks for MLOps and Feature Engineering at Scale with Apache Spark, Delta Lake, and MLflow

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6 min read
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