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Technologies Experiences Contribute

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Concurrency

1. What is a goroutine, and how does it differ from an OS thread?

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2. What is the difference between a buffered and unbuffered channel?

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3. Explain the fan-out and fan-in concurrency pattern with a practical example.

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4. How does the select statement work with multiple channels, including a default case?

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5. What is a goroutine leak and how do you detect and prevent one?

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6. When should you use sync.Mutex vs channels for shared state?

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7. Design a worker pool for processing 100,000 jobs with back-pressure and graceful shutdown.

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8. How does Go's GMP scheduler work and how does it affect concurrency design?

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9. How would you implement a distributed task queue in Go without using an external framework?

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10. Describe how you would approach a Go service that needs to process Kafka events with exactly-once semantics.

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BasicsData StructuresInterfaces and TypesConcurrencyMemory ManagementError HandlingPackages and ModulesWeb and API DevelopmentDatabases and StorageTestingDevOps and DeploymentStandard Library