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Fine-Tuning and Enhancing Performance of Apache Spark Jobs

Fine-Tuning and Enhancing Performance of Apache Spark Jobs

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Join Optimization

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Join Optimization

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Fine-Tuning and Enhancing Performance of Apache Spark Jobs

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  1. 1 Intro
  2. 2 Our Setup
  3. 3 Configuring Cluster Test change with
  4. 4 Cache/Persist
  5. 5 Join Optimization
  6. 6 Filter Trick
  7. 7 Salting - Reduce Skew
  8. 8 Things to remember
  9. 9 Fair Scheduling
  10. 10 Serialization
  11. 11 Enable GC Logging
  12. 12 ParallelGC (default)
  13. 13 Takeaways

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