spark shuffle优化-参数调优

spark shuffle优化-参数调优

常用参数列举:

  1. spark.reducer.maxSizeInFlight
  2. spark.shuffle.compress
  3. spark.shuffle.file.buffer
  4. spark.shuffle.io.maxRetries
  5. spark.shuffle.io.retryWait

调优参数一定要设置合理,效率才能事半功倍

 

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转载自blog.csdn.net/Jackson_mvp/article/details/105895451