Fastly chunked-config GC: operator-invoked `config gc` reclaims orphaned chunk entries (store-wide) - #314

Merged

aram356 merged 63 commits into

mainfrom

spec/fastly-chunk-gc

Aug 14, 2026

Commits on Jul 8, 2026

Spec: Fastly chunked-config GC to reclaim orphaned chunk entries on re-push
aram356
committed
3ff9e94
Spec review v2: fix file map (cli.rs, not the unmerged split), validate+scope prior_chunk_keys, offline cloud dry-run, local root inference, warning semantics, invert stale no-GC test
aram356
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77d65bd
Spec review v3: thread logical roots (--key is free-form, infix inference unsound); Value-first prior_chunk_keys so invalid pointer-kind warns; drop 'atomic' overclaim; define local dry-run degrade…
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533c644
Add Fastly chunk-GC implementation plan, reconciled with spec v3
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d484fa5
Self-review fixes (spec+plan): expand new_keys in local dry-run so identical re-push counts 0 (was over-counting); enumerate all 10 writer call sites + roots args; forbid --all on delete; reword fa…
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93a5886
Review v4 (spec+plan): close cloud GC concurrency hole via post-commit root read-back guard (invariant 5); build keep-sets from per-root expand_root instead of prefix-scanning flattened entries; ma…
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1089b5b
Review v5 (spec+plan): document cloud GC as single-writer/best-effort (drop 'race-safe' overclaim, add Concurrency model section + plan precondition gate); correct cost note for the post-commit rea…
aram356
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98bc468
Reframe cloud concurrency as last-writer-wins (per decision)
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b8eb07b
Plan/spec tighten-ups (non-blocking): non-vacuous local suspicious-pointer test (seed real chunk keys, assert they survive); expand_root errors on empty instead of silent default; reserved-key erro…
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3cc25af
feat(fastly): add prior_chunk_keys for chunk GC (Value-first, v1-validated, prefix-scoped) + unit tests
aram356
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67ac0dd
feat(fastly): add chunk-GC planning helpers (expand_root, orphan_chunk_keys, reject_reserved_root_keys, FastlyConfigGcPlan) + unit tests
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653b220
feat(fastly): prune prior config chunks on local re-push
aram356
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e8853b9
feat(fastly): reclaim prior config chunks after cloud re-push (last-writer-wins)
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77a30ec
chore(fastly): satisfy strict clippy for chunk-GC code; render fake fastly via handlebars
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2c36b5d
chore(fastly): hoist fake-fastly TEMPLATE const above statements (items_after_statements)
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0f516dd
test(fastly): close self-review coverage gaps
aram356
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205048d

Commits on Jul 9, 2026

fix(fastly): dry-run classifies malformed local state as unknown; test delete argv + cloud shrink-to-direct
aram356
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891ecc6

Commits on Jul 12, 2026

fix(fastly): redact describe payloads from diagnostics (P1); reject duplicate root keys (P2)
aram356
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6f65e51

Commits on Jul 13, 2026

Commits on Jul 14, 2026

Commits on Jul 15, 2026

feat(cli): wire `config gc` into the bundled + app-demo CLIs
aram356
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9a40098

Commits on Jul 16, 2026

Commits on Jul 17, 2026

Commits on Jul 18, 2026

Commits on Jul 19, 2026

Commits on Jul 20, 2026

Restore v1 byte threshold on read, pin exact split boundaries
aram356
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e42e9f2

Commits on Jul 21, 2026

Compile the fastly+cli wasm32-wasip1 combination cleanly
aram356
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31008ad

Commits on Jul 23, 2026

Restore raw ConfigStore contract; atomic local rewrite; align GC with runtime
aram356
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b54e710

Commits on Jul 26, 2026

Serialise local pushes with a lock; refine GC foreign-value handling
aram356
committed
c5689c0

Commits on Jul 27, 2026

Fix GC unknown-kind data loss, widen manifest lock, harden staging
aram356
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a17d159

Commits on Jul 28, 2026

Make corrupt generations repairable; symmetric unknown-kind protection
aram356
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210416b

Commits on Jul 29, 2026

Refine read taxonomy: repairable corruption vs infra/unknown; local symmetry
aram356
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a2c2eac

Commits on Jul 30, 2026

Fail closed on future formats, ambiguous chunk not-found; generic repair
aram356
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2518670

Commits on Aug 1, 2026

Type future-format through resolution; fail closed on ambiguous root/store reads
aram356
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c2b8585

Commits on Aug 2, 2026

Schema-agnostic future detection; confirmed-absence reads; store returns verbatim
aram356
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477429c

Commits on Aug 3, 2026

Authoritative absence listing; GC future guard; locked TOCTOU recheck
aram356
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bb82733

Commits on Aug 4, 2026

Fail closed on non-integer versions, inner-future downgrades, non-inline stores
aram356
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db44807

Commits on Aug 6, 2026

Drop unused cloud-push GC bookkeeping
aram356
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c40bf7a
Merge branch 'main' into spec/fastly-chunk-gc
aram356
authored
c8effe8

Commits on Aug 12, 2026

Merge branch 'main' into spec/fastly-chunk-gc
aram356
authored
c265879
Merge branch 'main' into spec/fastly-chunk-gc
aram356
authored
0873ec5

Commits on Aug 13, 2026

Commits on Aug 14, 2026