Bowen Ding

Fix block writer serialized runner rejected execution

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### What changes are proposed in this pull request? Mirroring #11310 for write handlers. This PR uses a dedicated thread pool for block writer's serialized executor, mirroring what we do...

Disable short circuit IO for Dora by default

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### What changes are proposed in this pull request? Disable short-circuit IO for Dora by default. ### Why are the changes needed? Dora does not support short circuit IO any...

Doc on configuration source priority contradicts with source code

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The [doc](https://docs.alluxio.io/os/user/2.8.1/en/operation/Configuration.html#configuration-sources) on the priorities of different configuration sources contradicts with the source code: https://github.com/Alluxio/alluxio/blob/a7b33a3c04a9c50264d89d7d78824366cea8b6f4/docs/en/operation/Configuration.md?plain=1#L181-L194 https://github.com/Alluxio/alluxio/blob/a7b33a3c04a9c50264d89d7d78824366cea8b6f4/core/common/src/main/java/alluxio/conf/Source.java#L36-L71 Specifically, doc says path defaults has second *lowest* priority, while code says it has...

[WIP] Add buffer ownership management

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### What changes are proposed in this pull request? Please outline the changes and how this PR fixes the issue. ### Why are the changes needed? Please clarify why the...

Refactor UnderFileSystemBlockStore

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### What changes are proposed in this pull request? Replace `(sessionId, blockId)` pair with a type `BlockAccessToken` whose instances can only be acquired by calling `acquireAccess`, therefore make it harder...

Decouple args parsing from actual benchmark run

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### What changes are proposed in this pull request? Decouple argument parsing from actual benchmark run. ### Why are the changes needed? This makes sure cleanup code is not run...