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Lecture 13 PowerPoint Presentation

Lecture 13

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Lecture 13

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Presentation Transcript

  1. Lecture 13 Distributed Transactions and Commit Protocols

  2. Two-Phase Commit • Base protocol • Successful outcome • End record written asynchronously

  3. State Diagrams

  4. Presumed Commit

  5. Presumed Abort

  6. Three Phase Commit (3PC) Coordinator Participant