Spark Shuffle演进

  • ShuffleManager
    • HashShuffleManager
    • SortShuffleManager
    • UnSafeShuffleManager

历史演进

  • Hash Based Shuffle V1 (M * R)
  • Hash Based Shuflle V2 (C * R)
  • Sort Based Shuflle (M)
  • Tungsten-Sort Based Shuffle (二进制存储,agg,partition num)
  • Tungsten-sort并入Sort Based Shuffle
  • Hash Based Shuffle退出历史舞台

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