madelson/DistributedLock

Health v2 · maintenance only

Adoption not part of the score

2481 stars · 248 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

DistributedLock is a .NET library providing robust distributed mutexes, reader-writer locks, and semaphores built on various backing technologies like SQL Server, Postgres, MySQL, Oracle, and Redis. It lets multiple applications or machines safely synchronize access to code regions with a simple async acquire/release API.

Use cases

• synchronize code execution across multiple app instances
• acquire a distributed lock backed by SQL Server or Postgres
• prevent duplicate cron job execution in a scaled-out service
• implement distributed semaphores to limit concurrent workers
• coordinate access to a shared resource across machines in .NET

When to choose

• you need battle-tested distributed locking primitives in .NET
• you want multiple backend options (databases, Redis, ZooKeeper) behind one API
• you need async/await-friendly locks with handle-based release semantics

When to avoid

• you only need single-process locking (use built-in Monitor/SemaphoreSlim)
• your stack is not .NET
• you need a lock service without any existing database or Redis infrastructure to back it

Facets

library · maturity stable

concurrency caching database developer-tools microservices backend developer-tools databases dotnet cross-platform distributed-lock mutex semaphore reader-writer-lock sync-primitives sql-server postgres redis zookeeper

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