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Managing Threads in Scalable Applications

Threading strategies for robust .NET apps

Posted by Rodrigo Castro on January 31, 2025

Thread management is key for scalable, high-performance applications.

🧵 Thread Pool

  • Use the .NET ThreadPool for short-lived, parallel tasks:
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ThreadPool.QueueUserWorkItem(_ => DoWork());

🏗️ Tasks and the TPL

  • Prefer Task and async patterns for new code; they use the ThreadPool under the hood.

📦 Synchronization

  • Use lock, Monitor, or SemaphoreSlim to protect shared resources.

🔄 Avoid Thread Exhaustion

  • Don’t create too many threads.
  • Use the thread pool and async I/O to maximize scalability.

🛡️ Tips

  • Profile and monitor thread usage under load.
  • Use ConcurrentQueue, ConcurrentDictionary for thread-safe collections.

Next: Simulated enterprise environment!

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