test - #66377

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bobhan1 wants to merge 32 commits into

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bobhan1:bh-test-async-write-20260803

Commits on Jul 29, 2026

[feature](be) Add asynchronous file cache writes
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d7f715c
[refactor](be) Simplify asynchronous cache read planning
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0c2e680
[improvement](be) Avoid cache probe on full inflight hit
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2281dde
[refactor](be) Decouple async cache writes from global config
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74163c0
[improvement](be) Increase async file cache write concurrency
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d0c8884
[test](be) Complete async file cache write unit coverage
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9c0d5cf
[refactor](be) Align file cache probe results with read blocks
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d54752e
[test](be) Add dynamic async write backpressure coverage
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1e7b645
[refactor](be) Group async file cache write configs
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1b181f1
[test](be) Strengthen async write MPMC pressure coverage
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5f8f42c
[improvement](be) Add async file cache write observability
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28d431b
[test](be) Add async file cache write microbenchmark
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45879c9
[test](be) Repeat and document async cache write benchmark
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098fc86
[fix](be) Handle preallocated cache blocks at file tail
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376b20c
[fix](be) Preserve downloader ownership across read-only cache probes
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6603645
[fix](be) Treat incompatible cache blocks as async probe misses
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c5d9425
[fix](be) Align file cache writer allocations to block boundaries
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ea932e1
[fix](be) Stop changing segment cache blocks to index
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e8baa95
[feature](be) Add drop-oldest async cache write admission
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5930100
[improvement](be) Default async cache writes to drop oldest
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3ec1e5d
[improvement](be) Always drop oldest queued async cache write
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7d13763

Commits on Jul 31, 2026

[improvement](be) Bound async cache writes by memory
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b329ef0
[improvement](be) Simplify async cache write admission
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f4a819f
[improvement](be) Add switch to bypass S3 writer file cache
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1630ecb

Commits on Aug 3, 2026

[chore](build) Remove unrelated build and microbenchmark doc changes
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c62160b
[refactor](be) Simplify async cache write queue state
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c495ff8
[refactor](be) Encapsulate async cache write workers
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719ca02
[fix](be) Preserve runtime config update semantics
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a4faf4d
[doc](be) Clarify async cache write byte accounting
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e776d5d
[improvement](be) Track inflight write buffer bytes
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38357af
[improvement](be) Support automatic async write pending limit
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b586dd1
change conf fo test
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70585ac