I know AWS E3 is beta, but has anyone had any long term success with it?

I have configured buckets and synced three joplin instances. One time it lasted a month. Another lasted a day. The most common error is *Got Metadata for Path but could not fetch content. * Anyone have any tips or tricks to getting this to work? I sure like concept, the best place to sync for me. And yes I can see the markdown file in the bucket so.....