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Database training
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 DDBs
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4.1.32. Query processing ›
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