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Giriş

Software architecture, modern .NET uygulamalarında scalability, maintainability ve reliability için kritik öneme sahiptir. Mid-level geliştiriciler için software architecture konularını anlamak, distributed systems, enterprise applications ve cloud-native solutions geliştirmek için gereklidir. Bu bölüm, distributed locking konusunu kapsar.

Kapsanan Konular

1. Distributed Locking

Distributed systems'de resource coordination, concurrency control, ve distributed locking patterns.

Öğrenilecekler: - Distributed locking concepts - Lock implementation strategies - Redis-based locking - Database-based locking - Lock coordination

Neden Önemli?

1. Distributed Systems

  • Resource coordination
  • Concurrency control
  • Data consistency
  • System reliability

2. Scalability

  • Horizontal scaling
  • Load distribution
  • Resource management
  • Performance optimization

3. Reliability

  • Fault tolerance
  • Error handling
  • System stability
  • Data integrity

4. Enterprise Applications

  • Large-scale systems
  • Complex workflows
  • Business critical operations
  • Compliance requirements

Mülakat Soruları

Temel Sorular

  1. Distributed locking nedir?

  2. Cevap: Resource coordination, concurrency control, distributed systems.

  3. Distributed locking ne zaman kullanılır?

  4. Cevap: Resource coordination, concurrency control, data consistency.

  5. Distributed locking nasıl implement edilir?

  6. Cevap: Redis, database, coordination protocols.

  7. Distributed locking challenges nelerdir?

  8. Cevap: Network latency, failure handling, consistency.

  9. Distributed locking alternatives nelerdir?

  10. Cevap: Optimistic locking, event sourcing, saga pattern.

Teknik Sorular

  1. Redis-based locking nasıl implement edilir?

  2. Cevap: SET NX EX, Lua scripts, lock renewal.

  3. Database-based locking nasıl implement edilir?

  4. Cevap: SELECT FOR UPDATE, advisory locks, table locks.

  5. Lock timeout nasıl handle edilir?

  6. Cevap: TTL management, lock renewal, timeout handling.

  7. Lock failure nasıl handle edilir?

  8. Cevap: Retry strategies, fallback mechanisms, error handling.

  9. Distributed locking performance nasıl optimize edilir?

  10. Cevap: Lock granularity, timeout optimization, coordination efficiency.

Best Practices

1. Lock Design

  • Choose appropriate lock type
  • Implement proper timeout
  • Handle lock failures
  • Monitor lock performance
  • Plan for scalability

2. Implementation Strategy

  • Use reliable storage
  • Implement proper coordination
  • Handle network failures
  • Monitor lock health
  • Plan for recovery

3. Performance Optimization

  • Optimize lock granularity
  • Minimize lock duration
  • Use appropriate timeouts
  • Monitor lock contention
  • Plan for optimization

4. Error Handling

  • Implement retry logic
  • Handle lock failures
  • Implement fallback mechanisms
  • Monitor error rates
  • Plan for recovery

5. Monitoring & Maintenance

  • Monitor lock performance
  • Track lock contention
  • Monitor error rates
  • Implement alerting
  • Plan for maintenance

Kaynaklar