[core] Parallelize per-partition file listing for catalog-managed format tables#8845

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XiaoHongbo-Hope wants to merge 15 commits into

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XiaoHongbo-Hope:format_table_parallel_scan

Commits on Jul 25, 2026

[docs] Regenerate core config docs for format-table.scan.list-parallelism
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[core] Clamp format-table list parallelism to at least 1
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[core] Refactor format table split enumeration
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[core] Split format table enumerator into catalog and filesystem impls
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[core] Reuse the shared manifest-read pool for format table listing
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[core] Bound the format table listing pool and preserve the caller's filesystem context
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[test] Guard that format table listing establishes the filesystem on the caller thread
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[core] Restore Trino-style listing pool: max 1000, 64 per scan, reusing workers
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[core] Name the enumerator SplitEnumerator with Catalog/FileSystem impls per review
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