Obstacles to DB
- Created by: Grasshopper
- Created on: 15-05-16 16:17
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2 Phase Commit
Phase 1
- GC asks cohort if statement OK
- Cohort reply Y/N
Phase 2
- If all sites are yes
- GC sends COMMIT to all sites
- Cohorts commit, release datalocks, reply with acknowledgement
- GC completes transaction
- If a site says no
- GC sends ROLLBACK message
- …
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