将准备好的 embedding 放到 Redis 里，整体性能会优于专门的 vector db
https://langchain.readthedocs.io/en/latest/modules/indexes/vectorstore_examples/redis.html
https://twitter.com/tisoga/status/1637763047774388224
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DPS Build 手工写完一个方案后，看到有人把工具链搭出来了： LlamaIndex (GPT Index) is a project that provides a central interface to connect your LLM's with external data. https://github.com/jerryjliu/llama_index