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[Docs] Rework Dynamo docs around a dedicated etcd group - #4402
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Update the Dynamo example and the Dynamo tabs in concepts/services.md
to run etcd as its own replica group that the frontend and workers
reach via ${{ groups[0].replicas[0].IP_ADDRESS }}. etcd and NATS no
longer run inside the router job, so the docs no longer depend on
DSTACK_ROUTER_INTERNAL_IP, which is going to be deprecated.
The examples now use Dynamo 1.5.1 with vLLM workers. Dynamo's default
ZMQ event plane removes the need for NATS, and the frontend uses vLLM's
GLM parsers because Dynamo's glm47 parser drops GLM-4.5 tool call
arguments. Prefill workers publish KV events for KV-aware routing.
The Router section's Dynamo tab switches from Qwen3.8-Flash-Next to
GLM-4.5-Air-FP8, which Dynamo 1.5.1 supports.
Also fix the dynamo router description and a code comment that said
workers are discovered via etcd/NATS.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Update the Dynamo example and the Dynamo tabs in concepts/services.md to run etcd as its own replica group that the frontend and workers reach via ${{ groups[0].replicas[0].IP_ADDRESS }}. etcd and NATS no longer run inside the router job, so the docs no longer depend on DSTACK_ROUTER_INTERNAL_IP, which is going to be deprecated.
The examples now use Dynamo 1.5.1 with vLLM workers. Dynamo's default ZMQ event plane removes the need for NATS, and the frontend uses vLLM's GLM parsers because Dynamo's glm47 parser drops GLM-4.5 tool call arguments. Prefill workers publish KV events for KV-aware routing.
The Router section's Dynamo tab switches from Qwen3.8-Flash-Next to GLM-4.5-Air-FP8, which Dynamo 1.5.1 supports.
Also fix the dynamo router description and a code comment that said workers are discovered via etcd/NATS.