58 Tech
Nov 17, 2022 · Backend Development
Design and Migration Strategies for the WLock Distributed Lock Service
The article presents the architecture of WLock, a Paxos‑based distributed lock service, analyzes key isolation schemes, evaluates cluster expansion and splitting, and details a multi‑step key migration process—including forward and reverse migration, node scaling, and consistency safeguards—to achieve high‑availability and isolated lock handling in multi‑tenant environments.
Cluster ScalingKey MigrationPaxos
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