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How can concurrent access to shared resources lead to security vulnerabilities, and what architectural patterns can mitigate these risks?

Concurrent access to shared resources can lead to security vulnerabilities such as race conditions and data corruption. To mitigate these risks, architectural patterns such as using locks, semaphores, or implementing…

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How does database locking work in a multithreaded application and what are the types of locks that can be used?

Database locking in a multithreaded application prevents data corruption by ensuring that only one thread can modify a particular piece of data at a time. The main types of locks…

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Can you explain how to design an API endpoint that handles concurrent requests safely, especially when modifying shared resources?

To design a safe API for concurrent requests, I would implement locking mechanisms to prevent race conditions. This might involve using mutexes or semaphores if the API is stateful, or…

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How would you design an API to handle concurrent requests for a resource, ensuring data integrity?

I would use locking mechanisms like mutexes or semaphores in my API design to prevent race conditions. Additionally, I could implement optimistic concurrency control, where I check for data integrity…

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Can you describe a time when you had to address a concurrency issue in a distributed system, and what strategies you employed to resolve it?

In a project involving a microservices architecture, we faced race conditions when multiple services accessed shared data. We implemented optimistic locking and a distributed transaction design to mitigate the issues…

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