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Line 39: '''all''' cohort members ... and hence must block until all cohort members respond. The [[Three-phase commit protocol]] eliminates this problem by introducing the '''Prepared to commit''' state. If the '''coordinator''' fails before sending '''preCommit''' messages, the '''cohort''' will unanimously agree that the operation was '''abort'''ed. The '''coordinator''' will not send out a '''doCommit'''

Three-phase commit protocol: Difference between revisions