Opt-in direct I/O reads, and what segment alignment is actually worth - #9838

Draft

joseph-isaacs wants to merge 5 commits into

claude/direct-io-reads-perf-3b5kk2

Commits on Sep 10, 2026

feat(io): opt-in direct I/O reads and block-aligned segment writes

joseph-isaacs
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claude
committed
4fd7717
bench: measure direct I/O reads and segment padding policies

joseph-isaacs
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claude
committed
c0c91f4

Commits on Sep 11, 2026

feat(file): group small consecutive segments into shared blocks

joseph-isaacs
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claude
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964e353
bench: run CI benchmarks with direct I/O and 4 KiB segment alignment

joseph-isaacs
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claude
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0a5e328

Commits on Sep 14, 2026

fix(file): only group segments smaller than a block
claude
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95c4954