AntTech

Oct 26, 2025 · Databases

How LCL+ Boosts Distributed Database Performance with One‑Victim Deadlock Resolution

The OceanBase team’s LCL+ algorithm, a lock‑chain‑length based distributed deadlock detection and elimination method, eliminates the need for a global wait‑for graph, achieves single‑victim unlocks, and dramatically improves throughput while reducing tail latency in production database clusters.