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Classroom Contents
User Defined Aggregation in Apache Spark - From Challenges to Improvements
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- 1 Intro
- 2 Spark's Scale-Out World
- 3 Scale-Out Sum
- 4 Spark Aggregators
- 5 Data Sketching: T-Digest
- 6 Is T-Digest an Aggregator?
- 7 Romantic Chemistry
- 8 Romantic Montage
- 9 UDAF Anatomy
- 10 What Could Go Wrong?
- 11 Wait What?
- 12 SPARK-27296
- 13 Aggregator Anatomy
- 14 Intuitive Serialization
- 15 Custom Aggregation in Spark 3.0
- 16 Performance
- 17 Don't Give Up
- 18 Patience
- 19 Respect
