Author

Xiang-Yao Yu

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Preprint Nov 2026

Eliminating Servers in State Machine Replication

State Machine Replication (SMR) underpins many stateful systems, including distributed databases, coordination services, and metadata stores. Fundamentally, SMR requires state to be materialized from a durable total order of commands. Existing SMR systems rely on servers to materialize, locally store, and serve snapsho...

Dohyun Park, Wen-Jie Hu, Xiang-Yao Yu et al. · 0 citations

Review Aug 2026

Instance-Optimal Acyclic Joins: From Theory to Systems

This tutorial revisits Yannakakis algorithm (YA) as a central example of how database theory can guide practical query processing and discusses how these ideas extend to query optimization and general queries beyond the multi-way joins.

Paraschos Koutris, Stijn Vansummeren, Qichen Wang et al. · Proceedings of the VLDB Endo... · 0 citations

T !" : E ! icient Drop-in Networking for Database Systems

This work presents Tux, a kernel-bypass networking stack designed for database systems that achieves high performance without giving up compatibility and robustness, and implements T !" in a library called T !".

Xin-Jing Zhou, Viktor Leis, Xiang-Yao Yu et al. · 0 citations