逾時
在 router 中設定的逾時是針對整個呼叫的完整長度,且也會傳遞到 completion() 呼叫層級。
全域逾時
- SDK
- PROXY
from litellm import Router
model_list = [{...}]
router = Router(model_list=model_list,
timeout=30) # raise timeout error if call takes > 30s
print(response)
router_settings:
timeout: 30 # sets a 30s timeout for the entire call
啟動 Proxy
$ litellm --config /path/to/config.yaml
自訂逾時與串流逾時(每個模型)
對於每個模型,您可以在 litellm_params 下設定 timeout 和 stream_timeout:
-
timeout→ 完整回應的最長時間。
用於限制長時間執行的 completions。 -
stream_timeout→ 在串流回應中等待第一個區塊(亦即第一個 token)的最長時間。
用於中止「卡住」的提供者(例如 Bedrock 啟動緩慢),並重試另一個模型。
- SDK
- PROXY
from litellm import Router
import asyncio
model_list = [{
"model_name": "gpt-3.5-turbo",
"litellm_params": {
"model": "azure/chatgpt-v-2",
"api_key": os.getenv("AZURE_API_KEY"),
"api_version": os.getenv("AZURE_API_VERSION"),
"api_base": os.getenv("AZURE_API_BASE"),
"timeout": 300 # sets a 5 minute timeout
"stream_timeout": 30 # sets a 30s timeout for streaming calls
}
}]
# init router
router = Router(model_list=model_list, routing_strategy="least-busy")
async def router_acompletion():
response = await router.acompletion(
model="gpt-3.5-turbo",
messages=[{"role": "user", "content": "Hey, how's it going?"}]
)
print(response)
return response
asyncio.run(router_acompletion())
model_list:
- model_name: gpt-3.5-turbo
litellm_params:
model: azure/gpt-turbo-small-eu
api_base: https://my-endpoint-europe-berri-992.openai.azure.com/
api_key: <your-key>
timeout: 0.1 # timeout in (seconds)
stream_timeout: 0.01 # timeout for stream requests (seconds)
max_retries: 5
- model_name: gpt-3.5-turbo
litellm_params:
model: azure/gpt-turbo-small-ca
api_base: https://my-endpoint-canada-berri992.openai.azure.com/
api_key:
timeout: 0.1 # timeout in (seconds)
stream_timeout: 0.01 # timeout for stream requests (seconds)
max_retries: 5
啟動 Proxy
$ litellm --config /path/to/config.yaml
設定動態逾時 - 每個請求
LiteLLM 支援針對每個請求設定 timeout
使用範例
- SDK
- PROXY
from litellm import Router
model_list = [{...}]
router = Router(model_list=model_list)
response = router.completion(
model="gpt-3.5-turbo",
messages=[{"role": "user", "content": "what color is red"}],
timeout=1
)
- Curl 請求
- OpenAI v1.0.0+
curl --location 'http://0.0.0.0:4000/chat/completions' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "gpt-3.5-turbo",
"messages": [
{"role": "user", "content": "what color is red"}
],
"logit_bias": {12481: 100},
"timeout": 1
}'
import openai
client = openai.OpenAI(
api_key="anything",
base_url="http://0.0.0.0:4000"
)
response = client.chat.completions.create(
model="gpt-3.5-turbo",
messages=[
{"role": "user", "content": "what color is red"}
],
logit_bias={12481: 100},
extra_body={"timeout": 1} # 👈 KEY CHANGE
)
print(response)
測試逾時處理
若要測試您的 retry/fallback 邏輯是否能處理逾時,您可以將 mock_timeout=True 設為測試用途。
目前僅支援 /chat/completions 和 /completions 端點。若您需要其他端點支援,請告訴我們。
curl -L -X POST 'http://0.0.0.0:4000/v1/chat/completions' \
-H 'Content-Type: application/json' \
-H 'Authorization: Bearer sk-1234' \
--data-raw '{
"model": "gemini/gemini-1.5-flash",
"messages": [
{"role": "user", "content": "hi my email is ishaan@berri.ai"}
],
"mock_timeout": true # 👈 KEY CHANGE
}'