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Classroom Contents
Adaptive Query Execution: Speeding Up Spark SQL at Runtime
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- 1 Intro
- 2 Agenda
- 3 Adaptive Query Execution
- 4 Optimizations Overview
- 5 Partition Coalescing
- 6 Dynamic Join Strategy Selection
- 7 Importing EQE
- 8 Sales Table
- 9 Dynamically collapsing shuffle partitions
- 10 Demo of collapsing shuffle partitions
- 11 Demo of dynamically optimizing the query
- 12 Performance result
- 13 Dynamicly collapsing shuffle partitions
- 14 Dynamically switching joint strategies
