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vllm/vllm/plugins/lora_resolvers/README.md
2025-07-29 19:45:08 -07:00

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# LoRA Resolver Plugins
This directory contains vLLM general plugins for dynamically discovering and loading LoRA adapters
via the LoRAResolver plugin framework.
Note that `VLLM_ALLOW_RUNTIME_LORA_UPDATING` must be set to true to allow LoRA resolver plugins
to work, and `VLLM_PLUGINS` must be set to include the desired resolver plugins.
## lora_filesystem_resolver
This LoRA Resolver is installed with vLLM by default.
To use, set `VLLM_PLUGIN_LORA_CACHE_DIR` to a local directory. When vLLM receives a request
for a LoRA adapter `foobar` it doesn't currently recognize, it will look in that local directory
for a subdirectory `foobar` containing a LoRA adapter. If such an adapter exists, it will
load that adapter, and then service the request as normal. That adapter will then be available
for future requests as normal.