MIT-6.824 Lab for MIT 6.824 Distributed Systems Class Lab Status Lab 1 Challenge 1 Lab 2 2A 2B 2C Lab 3 3A 3B Lab 4 4A 4B Challenge 1 Challenge 2 References MapReduce(2004) GFS(2003) Fault-Tolerant Virtual Machines(2010) Raft Extended(2014)