Method sizeIncrement

bolt/exec/RowContainer.cpp:1137–1148

  BOLT_CHECK_GT(
      rowSize, 0, "Estimated row size of the RowContainer must be positive.");
  return rowSize;
}

int64_t RowContainer::sizeIncrement(
    vector_size_t numRows,
    int64_t variableLengthBytes) const {
  // Small containers can grow in smaller units but for spilling the practical
  // minimum increment is a huge page.
  constexpr int32_t kAllocUnit = memory::AllocationTraits::kHugePageSize;
  int32_t needRows = std::max<int64_t>(0, numRows - numFreeRows_);
  int64_t needBytes =
      std::max<int64_t>(0, variableLengthBytes - stringAllocator_->freeSpace());
  return bits::roundUp(needRows * fixedRowSize_, kAllocUnit) +
      bits::roundUp(needBytes, kAllocUnit);
}