#11
Raft is an attempt at making a consensus algorithm that is easily understandable(compared with Paxos). https://ramcloud.stanford.edu/wiki/download/attachments/11370504/raft.pdf
#10
Dynamo is easily understandable and a good intro to distributed eventually consisted databases. http://www.read.seas.harvard.edu/~kohler/class/cs239-w08/decandia07dynamo.pdf
#1
Paper: Online, Asynchronous Schema Change in F1
Online, Asynchronous Schema Changes in F1 (Rae et al.)