3.1 KiB
3.1 KiB
07 — Add isolated concurrent local Hot KV State
Status: ready-for-agent
Mandatory fresh-session context
- Read RALPH-CONTEXT.md completely before changing code.
- This issue is
DGR-007in prd.json. - Read the evidence README for every dependency listed below.
- Inspect current code and
git status; historical text and previous agent claims are not evidence.
Description
As a client, I need concurrent Route Sessions to retain independent per-Shard cache so that one request cannot clear or corrupt another.
Expected durable outputs
- Concurrent local KV/session manager
- Isolation, eviction, cancellation and cleanup tests
- evidence/DGR-007/README.md
Acceptance criteria
- Map
(Route Session ID, route epoch)to an isolated llama sequence or bounded context. - Allocate KV only for owned layers.
- Support prefill append, decode append, truncate, release, TTL/LRU eviction, and explicit cache-miss response.
- Reject stale epochs and incompatible cache recipes.
- At least four concurrent sessions on a small model complete without token or KV cross-talk.
- Cancellation/release of one session leaves other sessions intact and memory returns to the configured budget.
- Targeted pytest tests pass
- python -m compileall packages tests passes for Python changes
- git diff --check passes
- Default tests remain deterministic, model-download-free, API-credit-free, and GPU-free
- Full deterministic pytest -q passes, or the exact pre-existing unrelated failure is recorded with a clean-tree reproduction
- Pinned native C++ target builds and focused CTest/protocol tests pass where native code is touched
- llama.cpp patch stack applies cleanly to the exact pinned commit where patch code is touched
- Read .scratch/distributed-gguf-runtime/RALPH-CONTEXT.md and this story issue completely before changing code
- Read and verify every dependency evidence README before relying on dependency behavior
- Preserve all pre-existing working-tree changes and stage only files belonging to this story
- Write .scratch/distributed-gguf-runtime/evidence/DGR-007/README.md with files changed, exact commands and real results, limitations, compatibility notes, and dependent-story handoff
- Update only this story issue to Status: done after every acceptance criterion and quality gate passes
Dependency handoff
DGR-006must havepasses: true; read../evidence/DGR-006/README.mdand verify its referenced files/commands.
Finish contract
- Create the task evidence directory and durable handoff required above.
- Preserve real failures and blockers; never fabricate benchmark, model, test or hardware output.
- Change this issue to
Status: doneonly after all criteria pass. - Emit
<promise>COMPLETE</promise>only after the evidence handoff exists.