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如何利用vLLM实现HippoRAG的本地模型部署?

2025-08-30 1.3 K

Localized Deployment Solutions

适用于Llama/Mistral等开源大模型部署,需配置NVIDIA GPU环境:

  • hardware requirement:至少24GB显存(Llama3-70B需2×A100)
  • service activation:通过vLLM的serve命令加载模型
  • parameter tuning:需设置tensor-parallel-size等并行参数

Key configuration steps

  1. 设置CUDA设备可见性:export CUDA_VISIBLE_DEVICES=0,1
  2. 指定HuggingFace缓存路径
  3. 启动服务时限制最大上下文长度
  4. 设置GPU内存利用率阈值(0.9-0.95)

性能优化技巧

  • 离线批处理模式可提升3倍索引速度
  • utilization--skip_graph跳过初始图谱构建
  • aligngpu-memory-utilization防止OOM

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