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Replace SlateDB CachedObjectStore with foyer-hybrid + in-memory prefetch wrapper#393

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Barre merged 1 commit intomainfrom
prefetch-rewrite
May 1, 2026
Merged

Replace SlateDB CachedObjectStore with foyer-hybrid + in-memory prefetch wrapper#393
Barre merged 1 commit intomainfrom
prefetch-rewrite

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@Barre Barre commented May 1, 2026

Move persistent caching to foyer-hybrid for decoded blocks, port SlateDB's prefetch logic into a foyer-backed PrefetchingObjectStore for raw parts, and isolate foyer's background work on a dedicated tokio runtime. Disk budget splits 10/90 between the two layers (parts capped at 10 GiB).

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zerofs Ready Ready Preview, Comment May 1, 2026 1:01pm

…tch wrapper

Move persistent caching to foyer-hybrid for decoded blocks, port SlateDB's
prefetch logic into a foyer-backed PrefetchingObjectStore for raw parts, and
isolate foyer's background work on a dedicated tokio runtime. Disk budget
splits 10/90 between the two layers (parts capped at 10 GiB).
@Barre Barre force-pushed the prefetch-rewrite branch from 374aee2 to 1f19e31 Compare May 1, 2026 13:00
@Barre Barre merged commit 776b113 into main May 1, 2026
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@Barre Barre deleted the prefetch-rewrite branch May 1, 2026 13:14
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