![image.png|1000](https://imagehosting4picgo.oss-cn-beijing.aliyuncs.com/imagehosting/fix-dir%2Fpicgo%2Fpicgo-clipboard-images%2F2024%2F07%2F28%2F17-54-02-1f2507170892882f0f33041d5bc96dc1-20240728175401-324dd2.png) [MapReduce](MapReduce.md)