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Set vllm multiproc method to spawn #3310

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Sep 13, 2024
Merged

Set vllm multiproc method to spawn #3310

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cf70c39
Use spawn instead of fork method for vllm
mreso Sep 11, 2024
7c61e5a
Fix lint
mreso Sep 11, 2024
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3 changes: 3 additions & 0 deletions ts/torch_handler/vllm_handler.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import asyncio
import logging
import os
import pathlib
import time
from unittest.mock import MagicMock
Expand Down Expand Up @@ -41,6 +42,8 @@ def initialize(self, ctx):
ctx.model_yaml_config.get("handler", {})
)

os.environ["VLLM_WORKER_MULTIPROC_METHOD"] = "spawn"

self.vllm_engine = AsyncLLMEngine.from_engine_args(vllm_engine_config)

self.adapters = ctx.model_yaml_config.get("handler", {}).get("adapters", {})
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