Data Transfer Status in DSO(Write-Optimized)

Hi Experts,

I am extracting data from one DSO to another DSO which both DSO is write optimized.

First DSO has record count around 10 lakhs as am processing the data to another DSO how i will come to know till time my how much record is transfer.I need data record status count transfer to second DSO.

I am not able figure out the solution or way . Can anyone help me out ????

Thanks & Regrads,

Saurabh