The Raft paper [1] is very well written and easy to understand.<p>You should check out Google's research papers [2] - they have some good papers on various topics and are very practical.<p>[1]: <a href="https://ramcloud.stanford.edu/wiki/download/attachments/11370504/raft.pdf" rel="nofollow">https://ramcloud.stanford.edu/wiki/download/attachments/1137...</a><p>[2]: <a href="http://research.google.com/" rel="nofollow">http://research.google.com/</a>