Dynamo: Amazon's Highly Available Key-value Store, James DeCandia, Deniz Hastorun, Madan Jampani, Gunther Kakulapati, Avinash Lakshman, Alex Pilchin, Swaminathan Sivasubramanian, Peter Vosshall, and Werner Vogels, 2007Proceedings of the 21st ACM Symposium on Operating Systems Principles (SOSP) (ACM)DOI: 10.1145/1294261.1294281 - The seminal paper describing Amazon's Dynamo, a system that popularized eventual consistency and laid the groundwork for many NoSQL databases.
In Search of an Understandable Consensus Algorithm, Diego Ongaro and John Ousterhout, 2014Proceedings of the USENIX Annual Technical Conference (USENIX ATC) - Introduces Raft, a consensus algorithm designed to be more understandable than Paxos, widely used for strong consistency in distributed systems.