29384510425
65%

Ran 15 Jul 2026 02:37AM UTC

Jobs 1

Files 33

Run time 1min

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Committed 15 Jul 2026 02:34AM UTC coverage: 64.936%. Remained the same

Build # 29384510425

Build Type

push

github

Committed by

freeeve

Commit Message

perf(rust): resident RRSR offset table + tunable get_many coalesce gap

Hydrating a results page via get_many cost two sequential read waves; on a
high-RTT CDN the ~24 idx reads + ~47 bin reads dominate paint time.

- preload_idx / preload_idx_prefix: make the offset table (or the hot prefix
  of a rank-ordered corpus, where doc id == rank) resident in one ranged
  read; covered ids skip the idx wave entirely, so a page hydration becomes
  a single coalesced .bin wave. get() uses the resident table too.
- set_resident_idx: hand over idx bytes fetched out of band (RRHC member,
  application cache); header-validated, prefix derived from length.
- set_coalesce_gap: per-store override of the 16 KiB wave-coalescing gap so
  a high-RTT client can trade read amplification for fewer round trips.
- wasm: RrsRecords.preloadIdx / preloadIdxPrefix / setResidentIdx /
  setCoalesceGap.
- tests: counting-fetch assertions that preload eliminates idx reads, prefix
  coverage falls back past the boundary, resident bytes are validated, and
  the gap knob collapses scattered bin reads into one

Coverage Stats

2452 of 3776 relevant lines covered (64.94%)

89.58 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	29384510425.1	15 Jul 2026 02:37AM UTC	33	64.94	GitHub Action Run

freeeve / roaringrange / 29384510425
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