llama-stack-mirror/benchmarking/k8s-benchmark/stack-k8s.yaml.template
Eric Huang a285f9c95f chore: refactor server.main
# What does this PR do?
Refactor main to split out the app construction so that we can use `uvicorn --workers` to enable multi-process stack.


## Test Plan
CI

> uv run --with llama-stack python -m llama_stack.core.server.server benchmarking/k8s-benchmark/stack_run_config.yaml

works.

> LLAMA_STACK_CONFIG=benchmarking/k8s-benchmark/stack_run_config.yaml uv run uvicorn llama_stack.core.server.server:create_app --port 8321 --workers 4

works.
2025-09-17 12:29:49 -07:00

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Text

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: llama-benchmark-pvc
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: llama-stack-benchmark-server
spec:
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: llama-stack-benchmark
app.kubernetes.io/component: server
template:
metadata:
labels:
app.kubernetes.io/name: llama-stack-benchmark
app.kubernetes.io/component: server
spec:
containers:
- name: llama-stack-benchmark
image: llamastack/distribution-starter:latest
imagePullPolicy: Always # since we have specified latest instead of a version
env:
- name: ENABLE_CHROMADB
value: "true"
- name: CHROMADB_URL
value: http://chromadb.default.svc.cluster.local:6000
- name: POSTGRES_HOST
value: postgres-server.default.svc.cluster.local
- name: POSTGRES_PORT
value: "5432"
- name: INFERENCE_MODEL
value: "${INFERENCE_MODEL}"
- name: SAFETY_MODEL
value: "${SAFETY_MODEL}"
- name: TAVILY_SEARCH_API_KEY
value: "${TAVILY_SEARCH_API_KEY}"
- name: VLLM_URL
value: http://vllm-server.default.svc.cluster.local:8000/v1
- name: VLLM_MAX_TOKENS
value: "3072"
- name: VLLM_SAFETY_URL
value: http://vllm-server-safety.default.svc.cluster.local:8001/v1
- name: VLLM_TLS_VERIFY
value: "false"
- name: LLAMA_STACK_LOGGING
value: "all=WARNING"
- name: LLAMA_STACK_CONFIG
value: "/etc/config/stack_run_config.yaml"
- name: LLAMA_STACK_WORKERS
value: "${LLAMA_STACK_WORKERS}"
command: ["uvicorn", "llama_stack.core.server.server:create_app", "--host", "0.0.0.0", "--port", "8323", "--workers", "$LLAMA_STACK_WORKERS", "--factory"]
ports:
- containerPort: 8323
resources:
requests:
cpu: "${LLAMA_STACK_WORKERS}"
limits:
cpu: "${LLAMA_STACK_WORKERS}"
volumeMounts:
- name: llama-storage
mountPath: /root/.llama
- name: llama-config
mountPath: /etc/config
volumes:
- name: llama-storage
persistentVolumeClaim:
claimName: llama-benchmark-pvc
- name: llama-config
configMap:
name: llama-stack-config
---
apiVersion: v1
kind: Service
metadata:
name: llama-stack-benchmark-service
spec:
selector:
app.kubernetes.io/name: llama-stack-benchmark
app.kubernetes.io/component: server
ports:
- name: http
port: 8323
targetPort: 8323
type: ClusterIP