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Spark in Workday Prism Analytics
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Classroom Contents
Optimizing Catalyst Optimizer for Complex Spark Plans
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- 1 Intro
- 2 Spark in Workday Prism Analytics
- 3 Example: Data Validation
- 4 About Complex Plans
- 5 Common Subexpression Elimination (CSE)
- 6 CSE Benchmark
- 7 Logging Complex Plans (10s of MBs in Size)
- 8 Problems with Large Case Expressions
- 9 Handling Large Case Expressions in Catalyst
- 10 Large Case Expression Benchmark
- 11 Example: Generate New Filter
- 12 Example: Prune Redundant Filter
- 13 Example: New Filter on Other Side of Join
- 14 Current Constraint Propagation Algorithm
- 15 Current Algorithm Takes High Memory
- 16 Recall: Fix for Large Case Expressions
- 17 Optimized Constraint Propagation (SPARK-33152)
- 18 Constraint Propagation Algorithms Comparison
- 19 Constraint Propagation Benchmark
- 20 Effect on Customer Pipeline
- 21 Tuning Tips
- 22 Future Work
