{"model":"deepseek-4.1-flash","title":"LMCache blocker root-caused AND resolved - serving V4.1","status":"positive","summary":"In-process LMCacheConnectorV1 is single-group by construction -\u003e HMA disabled -\u003e vLLM cannot unify V4.1 KV specs (MLA state_content_bytes=584 + SWA compressor group) and startup fails. Correct path: LMCacheMPConnector (group-aware, SupportsHMA) + lmcache MP server WITH GPU access +…","occurred_at":"2026-09-12T10:56:00Z","config":{"serving":"TP1xPP6 (7,7,7,7,7,5), util 0.95-0.96, DSpark k=5, fp8_ds_mla","engine":"localhost/vllm-backport-v41:sm80 Schaka v0.13.0 kit (c1b0907b overlay)"},"found":["Real-OpenCode c1 median ~30 tok/s end-to-end (range 8-48), driven by reasoning tokens + tool-call steps"],"fixed":["LMCache path: LMCacheMPConnector + GPU-capable MP server + retention knob - cold/hit parity proven"]}