Hi @lingareddy_Alva ,

Thank you for your excellent response. I really appreciated it.

I couldn't find the mention that says "Instance profiles are still supported but should be used for specific, advanced access cases." I will use it for now, recognizing that my case is special.

But I also want to migrate UC perfectly. Your Best Practice is helpful for me.

I understand that if we can use Spark and the data format allows it, I will use it fully.

I was deeply moved by how thoughtfully you responded.