docs: private void updatePeakMemoryReservations()
      {
          long userMemory = operatorMemoryContext.getUserMemory();
          long systemMemory = operatorMemoryContext.getSystemMemory();
          long totalMemory = userMemory + systemMemory;
          peakUserMemoryReservation.accumulateAndGet(userMemory, Math::max);
          peakSystemMemoryReservation.accumulateAndGet(systemMemory, Math::max);
          peakTotalMemoryReservation.accumulateAndGet(totalMemory, Math::max);
      }