bobhan1 opened a new pull request, #67015:
URL: https://github.com/apache/doris/pull/67015
### What problem does this PR solve?
Related PR: #65658
Problem Summary:
Backport #65658 to `branch-4.1`, adding opt-in asynchronous file-cache
writes while keeping synchronous writes as the default behavior.
Branch-specific conflict resolution keeps the `branch-4.1` CMake/source
layout, forces file-cache downloader writes to remain synchronous, and adds a
focused downloader test because the broader upstream fixture is not present on
this branch.
### Release note
None
### Check List (For Author)
- Test
- [ ] Regression test
- [x] Unit Test
- [x] 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
Validation:
- `./build.sh --be -j100`
- `./run-be-ut.sh --run
--filter='AsyncCacheWriteManagerTest.*:InflightWriteBufferIndexTest.*:BlockFileCacheProbeTest.*:FileCacheProfileReporterTest.*:FileCacheBlockDownloaderTest.*:CachedRemoteFileReaderTest.*'
-j100` (39/39 passed)
- `build-support/check-format.sh`
- `git diff --check upstream/branch-4.1...HEAD`
The added cloud regression suite was not run locally.
- Behavior changed:
- [ ] No.
- [x] Yes. Adds an opt-in asynchronous file-cache write path; the
feature remains disabled by default.
- 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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