branch-4.1: [fix](filecache) Disable sync file cache clear in http api(pick#64321)#64461
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freemandealer wants to merge 1 commit into
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branch-4.1: [fix](filecache) Disable sync file cache clear in http api(pick#64321)#64461freemandealer wants to merge 1 commit into
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### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: The file cache HTTP clear endpoint allowed callers to request synchronous clear with sync=true. The synchronous clear path is kept for unit tests and internal callers, but it is not safe to expose through the HTTP API. This change makes the HTTP op=clear endpoint always use async clear. The default behavior remains async, and explicit sync=true returns a warning message while still running async clear. Segment-specific HTTP clear also uses async remove instead of the synchronous remove path.
### Release note
The BE /api/file_cache?op=clear HTTP API no longer supports synchronous clearing. Requests with sync=true now run async clear and return a warning message.
### Check List (For Author)
- Test: Unit Test
- DORIS_TOOLCHAIN=clang DISABLE_BE_JAVA_EXTENSIONS=ON ENABLE_INJECTION_POINT=ON ENABLE_CACHE_LOCK_DEBUG=0 ENABLE_PCH=0 sh run-be-ut.sh --run --filter=FileCacheActionTest.*
- Behavior changed: Yes. HTTP file cache clear no longer exposes synchronous clear.
- Does this need documentation: No
(cherry picked from commit 29d3a6f)
Picked-from: apache#64321
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Pick from #64321