deardeng opened a new pull request, #66751:
URL: https://github.com/apache/doris/pull/66751
### What problem does this PR solve?
Issue Number: None
Related PR: #66680
Problem Summary: Load transaction commits only enforced the ordinary replica
quorum and could therefore succeed without a configured minimum number of
successful replicas in each availability zone. Add a mutable FE configuration
and enforce the per-AZ success floor in the centralized transaction commit
check. Clamp each AZ requirement to the partition declared replica allocation
so backend liveness changes and transient extra replicas do not weaken or
inflate the commit requirement.
### Release note
Add the mutable FE configuration cross_az_succ_quorum to require a minimum
number of successful load replicas per availability zone.
### Check List (For Author)
- Test: Unit Test
- DatabaseTransactionMgrTest cross-AZ quorum, unavailable replica, and
extra replica cases
- Behavior changed: Yes (when cross_az_succ_quorum is configured, FE rejects
commits that do not meet the per-AZ success floor)
- Does this need documentation: No
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [x] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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