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4.1.31. Distributed commit

  • Coordinator elected
  • Coordinator prepares
    • writes log to disk, open sockets, sends out queries
  • Process
    • Coordinator sends ‘Ready-commit’ message
    • Peers send back ‘Ready-OK’
    • Coordinator sends ‘Commit’ message
    • Peers send back ‘Commit-OK’ message
‹ 4.1.30. Concurrency control in DDBsup4.1.32. Query processing ›
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