You would want to check your attachment folders. By default, this is the uploads folder.
If it is not sufficient, we will work with you to upgrade to the next one. It is in both our best interest to do so 🙂 .
For most communities, fulltext MySQL search is more than ample. For our higher community plans, it may be possible to run ElasticSearch, we can get you in touch with our sales team if this is something you desire.
Yes, all software features stay the same.
If you have any further questions, I am happy to get you in touch with someone on our sales team so that we can get a more involved discussion for your migration to Cloud 🙂 .