Yep, the feedback loop is what I'm after in a way I guess. My takeaway from the Dropbox blog post is "it was found too slow unless the vast majority of your tra

Yep, the feedback loop is what I'm after in a way I guess. My takeaway from the Dropbox blog post is "it was found too slow unless the vast majority of your transactions are single-shard". If it was excluded from design options for that reason, it's relevant.