Concurrency Interview Questions | golang | NextRound

1What is a goroutine leak and how do you detect and prevent one?Intermediate

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

3Describe how you would approach a Go service that needs to process Kafka events with exactly-once semantics.Advanced

4Explain the fan-out and fan-in concurrency pattern with a practical example.Intermediate

5When should you use sync.Mutex vs channels for shared state?Intermediate

6Design a worker pool for processing 100,000 jobs with back-pressure and graceful shutdown.Advanced

7How would you implement a distributed task queue in Go without using an external framework?Advanced

8What is a goroutine, and how does it differ from an OS thread?Intermediate

9How does the select statement work with multiple channels, including a default case?Intermediate

10How does Go's GMP scheduler work and how does it affect concurrency design?Advanced