shuke987 opened a new pull request, #65552:
URL: https://github.com/apache/doris/pull/65552
### What problem does this PR solve?
Issue Number: N/A
Related PR: #63886
Problem Summary:
`test_compaction_profile_action` queried `/api/compaction/profile` on the
first backend returned by `SHOW BACKENDS`, independently of the target tablet
placement. The profile API reads the selected BE's process-local compaction
tracker, so the tablet filter returned an empty list whenever that backend was
the one BE outside the target tablet's three-replica set.
The branch-4.1 P0 history shows 13 failures in 32 runs. In every failure,
the queried first backend was outside the target replica set; in every passing
run, it hosted a target replica.
This change derives the profile endpoint from the `BackendId` in the same
`SHOW TABLETS` row as the selected `TabletId`. The case therefore queries a
replica that participates in `trigger_and_wait_compaction` while preserving all
existing API assertions.
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [x] Manual test (add detailed scripts or steps below)
- `mvn package -DskipTests -Dmaven.javadoc.skip=true` in
`regression-test/framework`.
- Verified the shaded regression-test jar with `ZipFile.testzip()`.
- Parsed the updated suite with `GroovyShell.parse()`.
- Runtime single-case validation is pending because the authorized
test host timed out on SSH twice; no runtime pass is claimed here.
- [ ] 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. The product API behavior is unchanged; this only routes the
regression assertion to a target-tablet replica.
- [ ] 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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