zyp-V opened a new pull request, #67151:
URL: https://github.com/apache/doris/pull/67151
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: Point-query planning built alive disk path sets for every
backend even though tablet pruning leaves only a small set of replica backends.
This made planning work grow with cluster size. Build the full map for regular
scans and collect paths only for the selected tablet replica backends for point
queries. Use the current backend snapshot API so the backport remains
compatible with cloud and remote OLAP tables.
### Release note
Reduce point-query planning overhead in clusters with many backends.
### Check List (For Author)
- Test: Unit Test
- ./run-fe-ut.sh --run
org.apache.doris.planner.OlapScanNodeTest#testPointQueryBackendAlivePathsOnlyUseSelectedTabletBackends
- Behavior changed: No. Only point-query planning work is reduced.
- 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?
- [ ] 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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