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.

ConsistencyKey MigrationPaxos

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Design and Migration Strategies for the WLock Distributed Lock Service

Selected Java Interview Questions

Oct 29, 2020 · Databases

Advanced Redis Operations: Pipeline, Transactions, Pub/Sub, Key Migration, and Scanning

This article provides a comprehensive guide to advanced Redis operations, covering pipeline usage, transaction handling, publish/subscribe mechanisms, key migration techniques, custom command implementation with Jedis, and efficient key scanning methods, complete with code examples and performance comparisons.

Key MigrationPipelinePubSub

0 likes · 16 min read

Advanced Redis Operations: Pipeline, Transactions, Pub/Sub, Key Migration, and Scanning