Adaptive Query Execution: Speeding Up Spark SQL at Runtime

Adaptive Query Execution: Speeding Up Spark SQL at Runtime

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Dynamic Join Strategy Selection

6 of 14

6 of 14

Dynamic Join Strategy Selection

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Adaptive Query Execution: Speeding Up Spark SQL at Runtime

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

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