We are upgrading nopcommerce from 3.80 to 4.40.3. It works for our http://demo.xyz.com on live server. As soon as we change the mapping to our live URL https://www.xyz.com the site takes 15 mins to start and hangs and again goes down.
We tried everything in this post: https://www.nopcommerce.com/en/boards/topic/90943/extremely-slow-response-after-upgrade-from-440-to-4403
It doesn't resolve.
We tried the following scenarios for testing on live server:
Our upgraded 4.40 custom Code and our upgraded 4.40 DB mapped to our live URL http://demo.xyz.com - It works
Our upgraded 4.40 custom Code and our upgraded 4.40 DB mapped to our live URL https://www.xyz.com - It doesn't works
Fresh 4.40 code and fresh 4.40 DB mapped to our live URL https://www.xyz.com - It works
Fresh 4.40 code and our upgraded 4.40 DB mapped to our live URL https://www.xyz.com - It doesn't works
Our upgraded 4.40 custom Code and fresh 4.40 DB mapped to our live URL https://www.xyz.com - It doesn't works.
Please suggest a solution, if some has came across similar issue.