Interactive Three-Phase Commit — coordinator + three participants with the new PreCommit phase that lets survivors recover the decision if the coordinator crashes.
Happy path
Vote NO
Crash after PreCommit
Free play
Coordinator + 3 participants · three phases
can-commit
pre-commit
committed
aborted
1 · CanCommit
2 · Vote
3 · PreCommit
4 · DoCommit
5 · Done
Coordinator
Idle
Step 0 / 0
Idle.
Press
Next
to begin.
Scenario timeline
—
Prev
Play
Next
Restart
←
→
space
Free play — set votes and choose a crash point
Crash coordinator
after PreCommit
(the case 2PC blocks on)
Start
Next step
Reset
phase
—
votes YES
0
votes NO
0
outcome
—
Message log
last 2 messages