How-toUpdated 2026-07-01 · 9 min read · by RTXsparks Lab

Serving DeepSeek R1 Distill 32B with SGLang on RTX Spark

Production SGLang deployment of DeepSeek R1 Distill 32B on RTX Spark. Configs, systemd, TLS, observability.

Install

Install SGLang via pip/docker/apt as appropriate. Verify GPU visibility with nvidia-smi.

  • # SGLang install
  • # see SGLang docs

Config

Optimized SGLang config for DeepSeek R1 Distill 32B at Q4_K_M: batch, KV cache dtype, and parallelism knobs.

Systemd unit

[Unit] Description=SGLang for DeepSeek R1 Distill 32B — [Service] ExecStart=/usr/bin/sglang serve deepseek-r1-distill-32b --port 8000 — Restart=always.

nginx + TLS

Terminate TLS at nginx with a Let's Encrypt cert, rate-limit at 20 req/s per IP, and proxy to the local SGLang port.

Observability

Scrape SGLang Prometheus metrics into Grafana; watch tokens_per_second, batch_size, and kv_cache_usage.

Frequently asked questions

Is SGLang the fastest for DeepSeek R1 Distill 32B?

It's the easiest, not always the fastest.

Can I run multiple models with one instance?

One process per model is standard.

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