When “Works on Lambda” Breaks on ECS: A Concurrency Bug from Misusing Singletons in .NET
📰 Dev.to · Pankaj Sharma
Learn how to identify and fix concurrency bugs caused by misusing singletons in .NET when migrating from Lambda to ECS
Action Steps
- Identify singletons in your .NET codebase
- Analyze their usage in a multi-threaded environment
- Configure proper synchronization mechanisms
- Test your application under heavy concurrency
- Apply fixes and verify resolution
Who Needs to Know This
Developers and DevOps engineers working with .NET and cloud hosting models will benefit from understanding how to troubleshoot and resolve concurrency issues
Key Insight
💡 Misusing singletons in .NET can lead to concurrency bugs when moving from a single-threaded to a multi-threaded environment
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🚨 Concurrency bugs can break your .NET app when migrating from Lambda to ECS! 🚨 Learn how to identify and fix them
Key Takeaways
Learn how to identify and fix concurrency bugs caused by misusing singletons in .NET when migrating from Lambda to ECS
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We recently migrated a .NET Core application from .NET 8 to .NET 10 and moved its hosting model from...
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