woocommerce – Product variations Edit / Add / Duplicate taking 10 min to process complete request

I am facing issue in saving , duplicating & updating the product that have 2000 variations , round around 10 min to complete the process of saving , duplicating or updating the product information.

Server is in AWS EC2 and RDS.

I will be very thankful if some one help me to fix .

Thanks & Regards
Harshit Varshney