hubgeter opened a new pull request, #69324:
URL: https://github.com/apache/doris/pull/69324
### What problem does this PR solve?
Issue Number: N/A
Related PR: N/A
Problem Summary:
`KVCache` executed value factories while holding the shard mutex. Iceberg
and Paimon deletion-vector loading could therefore block unrelated cache keys
during remote I/O and decoding, and different value types could share the same
string key.
This PR moves factory execution to a per-key lock, keeps one in-flight load
per key, isolates entries by value type, and simplifies Fluss tail loading to
use the same single-flight path.
### Release note
None
### Check List (For Author)
- Test
- [ ] Regression test
- [x] Unit Test
- 55 targeted ASAN tests passed: KVCache concurrency, Iceberg V1/V2
deletion vectors, Paimon deletion vectors, and Fluss cache paths.
- clang-format and build hygiene checks passed.
- [ ] 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
- Behavior changed:
- [x] No.
- [ ] Yes.
- 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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