Not all streaming workloads involve I/O. When your source is in-memory and your transforms are pure functions, async machinery adds overhead without benefit. You're paying for coordination of "waiting" that adds no benefit.
드론 수백대 줄지어…이란, 무기 터널 공개 ‘전쟁 능력’ 과시
。业内人士推荐体育直播作为进阶阅读
居民委员会应当及时公布下列事项，接受居民的监督：
in this area, too. It takes a combination of both tools to gain an advantage