feat(upstream): request queueing + per-upstream concurrency limits (spec 093) - #959

Merged

github-actions[bot] merged 23 commits into

mainfrom

093-concurrency-limits

Aug 8, 2026

Commits on Aug 7, 2026

spec(093): request queueing + per-upstream concurrency limits
Dumbris
committed
1b14e31
spec(093): codex round 1 — lock-free admission, tri-state zeros, atomic reload generation, origin-independent shed seam
Dumbris
committed
2c0faa9
spec(093): codex round 2 — shared occupancy across generations, admit-after-disable race, three-scope config model, no unbounded queue
Dumbris
committed
907b60b
spec(093): codex round 3 — align queued-waiter edge case with FR-021 shared occupancy
Dumbris
committed
485d620

Commits on Aug 8, 2026

feat(limiter): bounded-concurrency admission limiter with shared occupancy
Dumbris
committed
b126c49
feat(config): three-scope concurrency limit configuration surface
Dumbris
committed
e12ad09
feat(upstream): enforce concurrency limits at the managed-client choke point
Dumbris
committed
556b020
feat(093): shed semantics — isError result, REST 429, "rejected" activity
Dumbris
committed
b685c11
test(093): end-to-end queue/shed coverage against a live slow upstream
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committed
cb36de3
feat(api): expose per-server concurrency limits over the REST API
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committed
af51976
fix(activity): accept the "rejected" status across every consumer surface
Dumbris
committed
a88660a
fix(limiter): one generation, retirement tombstones, always-on occupancy
Dumbris
committed
9d61394
fix(replay): honour the caller's context and answer a shed with 429
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committed
cb51b1d
fix(telemetry): count and record sheds off the lossy event bus
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committed
c1968f0
fix(activity): one rejected row per shed in listings and summaries
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committed
cc736be
fix(activity): attribute a shed to the origin that actually made the call
Dumbris
committed
3b60759
docs(api): regenerate OpenAPI for the replay 429 response
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committed
b74bc37
fix(limiter): limits live only in the published generation
Dumbris
committed
c714467
fix(activity): put the synchronous shed writer behind the shutdown barrier
Dumbris
committed
7fbed5c
docs(site): put concurrency limits on the docs site and fix the broken link
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committed
c21b3ba
docs(site): drop duplicated concurrency sections from the collision
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committed
d5bd80f
fix(limiter): keep FIFO across a cap raise and resolve budgets per scope
Dumbris
committed
30ce948
Merge main (spec 092 auto-updater) into 093-concurrency-limits; regenerate OAS
Dumbris
committed
86cbf02

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feat(upstream): request queueing + per-upstream concurrency limits (spec 093) - #959

feat(upstream): request queueing + per-upstream concurrency limits (spec 093)#959
github-actions[bot] merged 23 commits into
mainfrom
093-concurrency-limits

Commits on Aug 7, 2026

spec(093): request queueing + per-upstream concurrency limits

spec(093): codex round 1 — lock-free admission, tri-state zeros, atomic reload generation, origin-independent shed seam

spec(093): codex round 2 — shared occupancy across generations, admit-after-disable race, three-scope config model, no unbounded queue

spec(093): codex round 3 — align queued-waiter edge case with FR-021 shared occupancy

Commits on Aug 8, 2026

feat(limiter): bounded-concurrency admission limiter with shared occupancy

feat(config): three-scope concurrency limit configuration surface

feat(upstream): enforce concurrency limits at the managed-client choke point

feat(093): shed semantics — isError result, REST 429, "rejected" activity

test(093): end-to-end queue/shed coverage against a live slow upstream

feat(api): expose per-server concurrency limits over the REST API

fix(activity): accept the "rejected" status across every consumer surface

fix(limiter): one generation, retirement tombstones, always-on occupancy

fix(replay): honour the caller's context and answer a shed with 429

fix(telemetry): count and record sheds off the lossy event bus

fix(activity): one rejected row per shed in listings and summaries

fix(activity): attribute a shed to the origin that actually made the call

docs(api): regenerate OpenAPI for the replay 429 response

fix(limiter): limits live only in the published generation

fix(activity): put the synchronous shed writer behind the shutdown barrier

docs(site): put concurrency limits on the docs site and fix the broken link

docs(site): drop duplicated concurrency sections from the collision

fix(limiter): keep FIFO across a cap raise and resolve budgets per scope

Merge main (spec 092 auto-updater) into 093-concurrency-limits; regenerate OAS