liaoxin01 opened a new pull request, #64630:
URL: https://github.com/apache/doris/pull/64630
### What problem does this PR solve?
Issue Number: None
Problem Summary:
When recycling a dropped tablet, empty rowsets may have `num_segments == 0`
and an empty `resource_id`. The protobuf field can be explicitly set to an
empty string, so `has_resource_id()` returns true. The recycler then attempts
to look up an accessor for the empty ID, fails the recycle round, and
repeatedly leaves the dropped tablet/index metadata behind.
This PR skips object deletion for every rowset with zero segments because it
has no segment objects to remove. Rowsets with segments still require a
non-empty resource ID.
### Release note
Fix cloud recycler failing to remove dropped tablet metadata when an empty
rowset has no resource ID.
### Check List (For Author)
- Test
- [ ] Regression test
- [x] Unit Test
- [ ] Manual test
- [ ] No need to test or manual test.
- Behavior changed:
- [ ] No.
- [x] Yes. Empty rowsets are skipped during object deletion because they
have no segment objects; non-empty rowsets still require a valid resource ID.
- Does this need documentation?
- [x] No.
- [ ] Yes.
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label
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