Author here. Yeah, at that point, you are doing two writes, and (possibly) two reads. I simplified the code a bit for the blog post, but you can do the read a

Author here. Yeah, at that point, you are doing two writes, and (possibly) two reads. I simplified the code a bit for the blog post, but you can do the read and write pairs concurrently, so you don't have to wait longer to get data to return to the caller.