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# Note: You do not need to change any fields in this configuration.

backend: "vllm"

# Disabling batching in Triton, let vLLM handle the batching on its own.
max_batch_size: 0

# We need to use decoupled transaction policy for saturating
# vLLM engine for max throughtput.
# TODO [DLIS:5233]: Allow asynchronous execution to lift this
# restriction for cases there is exactly a single response to
# a single request.
model_transaction_policy {
  decoupled: True
}
# Note: The vLLM backend uses the following input and output names.
# Any change here needs to also be made in model.py
input [
  {
    name: "text_input"
    data_type: TYPE_STRING
    dims: [ 1 ]
  },
  {
    name: "stream"
    data_type: TYPE_BOOL
    dims: [ 1 ]
  },
  {
    name: "sampling_parameters"
    data_type: TYPE_STRING
    dims: [ 1 ]
    optional: true
  }
]

output [
  {
    name: "text_output"
    data_type: TYPE_STRING
    dims: [ -1 ]
  }
]

# The usage of device is deferred to the vLLM engine
instance_group [
  {
    count: 1
    kind: KIND_MODEL
  }
]