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Fencing Tokens: Making Distributed Locks Actually Safe
Last Updated: January 5, 2026
Ashish Pratap Singh
10 min read
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Fencing Tokens: Making Distributed Locks Actually ...
The Problem: Why Distributed Locks Can Fail
What are Fencing Tokens?
Implementing Fencing Tokens
Token Generation Strategies
Real-World Implementation: Redis with Redlock
Handling Edge Cases
Fencing Tokens vs Other Approaches
Best Practices
Limitations and Trade-offs
Summary
References
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Course Introduction
