6.S081 lab1 write up ClSlaid published on 2021-02-18 included in 6.S081 OSPreface It is considered to be important to have an overview of Operating Systems. However, due to my laziness and the radio-building-oriented subject I major in, I hardly complete any courses about OSs. After the spring festival, feeling still knowing little about OS and losing ability on computer programming, I picked up xv6 labs from MIT 6.S081 courses again, hoping by coping with them will be of help. The hardest thing I came up with is not What to do but How to do and Why doing so works.
6.824 lab1 write up ClSlaid published on 2021-02-05 included in 6.824Preface 什么是 MapReduce MapReduce 是一由 Google 提出的分布式软件架构。主要用于大规模数据的并行计算。 MapReduce 的执行过程主要由 Map (映射) 与 Reduce (归并) 两个阶段组成。在 Map 阶段,分布