Method maxExchangeBufferSize

bolt/core/QueryConfig.h:946–949

    static constexpr uint64_t kDefault = 12UL << 20;
    return get<uint64_t>(kMaxSpillRunRows, kDefault);
  }

  uint64_t maxSpillBytes() const;

  /// Returns the maximum number of bytes to buffer in PartitionedOutput
  /// operator to avoid creating tiny SerializedPages.
  ///