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Operator: "replace that a4b moe over pfish-6 -- remove the pfish-6 alias and create an alias for char-rp-fast." G4-MeroMero-26B-A4B-it-uncensored-heretic-NVFP4A16 is live on ana-ml2 :8021 under its own served name, behind the new gateway alias char-rp-fast. Pfish-6 is gone from the gateway and now returns an explicit 400 rather than a substitution; 0 of 17 LiteLLM keys scoped it, so nothing was orphaned. The compose project name stays erp-seat because asset-engine derives seat liveness from it. The first quant of that A4B served NaN and passed its healthcheck doing it. It was built with the dense v2-31B recipe, whose ignore list has no router regex, so all 30 MoE routers were quantized to 4 bits -- and a 4-bit router changes which experts run rather than degrading them. Quant rc=0, healthcheck green, correct KV pool, correct served name, and every completion returned finish_reason=length with the full token count and content: null. The model was emitting a full budget of tokens that decoded to the empty string. Raw /v1/completions was empty too, ruling out the chat template and the reasoning parser. The signal that named it was logprobs: vLLM refused to serialize the response, "Out of range float values are not JSON compliant: nan". The lesson is about the control rather than the router. That tree had already been structurally diffed and passed -- against a verified-good DENSE quant of the same Gemma-4 family. A dense model has no routers, so the single thing that was wrong was the single thing the control could not distinguish. Diffing instead against Pfish-6, a known-good quant of the same 26B-A4B MoE, gave it in one line: 222 ignore entries against 252, the 30 missing being layers.N.router.proj. A positive control is only worth what it can distinguish, and "same family" is not "same architecture class". Re-quantized with the MoE recipe, whose dry-run asserts 11,520 expert Linears and refuses a router in the quantize set before any GPU time. The live seat then passed prose with no channel-prefix leak, a solid-colour image read correctly, an auto tool call parsed, finite logprobs, and KV 534,649 tokens / 2.04x carried over from Pfish-6 unchanged. The broken tree is parked on ana-ml2 as ...-NVFP4A16.BROKEN-routers-quantized-20260910. Section 4.4's temp port was not reachable: 15.9 GiB of weights plus KV plus multimodal encoder-cache profiling does not fit in the ~19 GiB free beside GPU1's six other tenants -- 0.20 utilization refused admission, 0.185 OOM'd in encoder profiling. The substitute was reversibility and ordering: named .env backup, prove the seat on its real port while no alias points at it, move the alias last. That is why a NaN-serving seat never reached a consumer. The seat was down about 16 minutes across two attempts; no consumer saw a broken alias. Playbook gains the router-quant failure signature and the control-class rule in 3.15, and a logprobs check in 4.4. seat_verify.py carries that check as check 6. Quality is NOT established: no RP eval, no long-context check, no A/B against Pfish-6 or char-rp. Samplers are the author's card values, untuned here.
16 lines
770 B
Bash
16 lines
770 B
Bash
# erp-seat — ana-ml2 GPU1. Real .env lives on the host at /opt/docker/compose/erp-seat/.env.
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ERP_IMAGE=vllm/vllm-openai:nightly-311b3513af33bc29b4acb2fde2e9313e5e9966a0
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ERP_MODEL=/tank/aimodels/G4-MeroMero-26B-A4B-it-uncensored-heretic-NVFP4A16
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ERP_SERVED_NAME=G4-MeroMero-26B-A4B-it-uncensored-heretic-NVFP4A16
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ERP_CHAT_TEMPLATE=/tank/aimodels/G4-MeroMero-26B-A4B-it-uncensored-heretic-NVFP4A16/chat_template.jinja
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ERP_PORT=8021
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ERP_GPU_ID=1
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# 0.35 x 97.9 GiB = 34 GiB. GPU1 had ~47 GiB free on 2026-09-08 (scriberr/embed/rerank/coder/reward resident).
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ERP_GPU_MEM_UTIL=0.30
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ERP_MAX_MODEL_LEN=262144
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ERP_MAX_NUM_SEQS=32
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API_KEY=
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# 8.49 GiB -> 534,649 KV tokens -> 2.04x a 262,144 context (operator's KV = 2x rule).
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ERP_KV_CACHE_MEMORY=9114000000
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ERP_MOE_BACKEND=auto
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