请回答： Знаете ли вы, почему capped collections в MongoDB очень удобны дляFootballStatsDataManager? 请以3个句子作答复，且每个句子都以small letters开头，而且每个句子不得超过15个词。
user
small documents rotate automatically, saving manual management efforts. small size ensures fast, predictable performance for stats. small structure simplifies indexing, enhancing query efficiency.
assistant