与红宝石的Dynamodb桌在路轨

I have "books" table in amazon-Dynamodb, which is having 287 items and 97kb in size. i tried to load my all data from books table through ruby on rails coding(controller). but its loading time is very slow. and sometimes it shows nothing because of time out situation. so please help me to improve the knowledge in dynamo db table handling.I have "books" table in amazon-Dynamodb, which