How does event sourcing integrate with distributed transaction patterns to provide consistency guarantees?

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Distributed Transactions Interview Questions

  1. [MID] What is the two-phase commit (2PC) protocol and how does it work?
  2. [JUNIOR] What is a distributed transaction and how does it differ from a local transaction?
  3. [MID] What is the saga pattern and how does it handle distributed transactions in microservices?
  4. [MID] What is eventual consistency and how does it differ from strong consistency?
  5. [SENIOR] What are the key differences between the saga pattern and two-phase commit, and when would you choose one over the other?
  6. [JUNIOR] What are the ACID properties and why are they important in distributed systems?
  7. [MID] How does the CAP theorem apply to distributed transactions?
  8. [MID] What are compensating transactions and how do they differ from traditional rollbacks?
  9. [MID] What is the difference between optimistic and pessimistic concurrency control in distributed databases?
  10. [SENIOR] What is the difference between saga choreography and saga orchestration, and what are the trade-offs of each approach?
  11. [SENIOR] How does the transactional outbox pattern solve the dual-write problem in distributed systems?
  12. [JUNIOR] What is atomicity in the context of distributed transactions?
  13. [JUNIOR] What is a transaction coordinator and what role does it play?
  14. [MID] What are the common transaction isolation levels and how do they affect concurrent transactions?
  15. [MID] What is a distributed deadlock and how does it differ from a local deadlock?
  16. [MID] What is idempotency and why is it critical in distributed transaction processing?
  17. [SENIOR] What is the three-phase commit (3PC) protocol and how does it improve upon two-phase commit?
  18. [SENIOR] What is the TCC (Try-Confirm-Cancel) pattern and how does it differ from the saga pattern?
  19. [SENIOR] How would you design a distributed transaction strategy that ensures zero data loss during partial failures?
  20. [JUNIOR] What is the difference between a commit and a rollback in a distributed transaction?
  21. [JUNIOR] What is data consistency and why is it challenging in distributed systems?
  22. [MID] What is a distributed lock and why is it necessary for transaction coordination?
  23. [MID] What are the differences between synchronous and asynchronous replication in distributed databases?
  24. [MID] What are dirty reads, non-repeatable reads, and phantom reads in distributed transactions?
  25. [SENIOR] What is the XA protocol and how does it coordinate transactions across heterogeneous resources?
  26. [SENIOR] How do you handle long-running distributed transactions without blocking resources?
  27. [SENIOR] What strategies can you use to avoid distributed transactions entirely through service design?
  28. [EXPERT] How would you design an idempotency key mechanism to ensure exactly-once semantics across distributed services?
  29. [JUNIOR] What is a resource manager in the context of distributed transactions?
  30. [JUNIOR] What is a transaction log and how does it support durability and recovery?
  31. [MID] What is multi-version concurrency control (MVCC) and how does it address concurrency challenges?
  32. [MID] What is timestamp-based concurrency control and how does it maintain data consistency?
  33. [SENIOR] How do consensus algorithms like Paxos and Raft relate to distributed transaction coordination?
  34. [SENIOR] What are the performance implications of two-phase commit in high-throughput microservice architectures?
  35. [EXPERT] How do you handle distributed transactions that span third-party APIs where you have no control over the transaction protocol?
  36. [EXPERT] What are the edge cases and failure modes of two-phase commit when the coordinator crashes between the prepare and commit phases?
  37. [SENIOR] How does event sourcing integrate with distributed transaction patterns to provide consistency guarantees?
  38. [EXPERT] How would you implement a distributed transaction framework that supports both choreography and orchestration patterns with automatic compensation?
  39. [EXPERT] How does the FLP impossibility result constrain the design of distributed transaction protocols in asynchronous systems?
  40. [EXPERT] What are the trade-offs between deterministic and non-deterministic transaction ordering in globally distributed databases like Spanner?
  41. [EXPERT] How do you design distributed transactions for systems that must comply with cross-region data sovereignty regulations while maintaining consistency?
  42. [EXPERT] How does Calvin's deterministic transaction execution model differ from traditional distributed commit protocols, and what are its practical limitations?