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0be6d05b5e
Signed-off-by: alec-flowers <aflowers@nvidia.com> Signed-off-by: Mark McLoughlin <markmc@redhat.com> Co-authored-by: Mark McLoughlin <markmc@redhat.com>
87 lines
2.1 KiB
Bash
87 lines
2.1 KiB
Bash
#!/bin/bash
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# This file demonstrates the KV cache event publishing
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# We will launch a vllm instances configured to publish KV cache
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# events and launch a simple subscriber to log those events.
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set -xe
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echo "🚧🚧 Warning: The usage of KV cache events is experimental and subject to change 🚧🚧"
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sleep 1
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MODEL_NAME=${HF_MODEL_NAME:-meta-llama/Meta-Llama-3.1-8B-Instruct}
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# Trap the SIGINT signal (triggered by Ctrl+C)
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trap 'cleanup' INT
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# Cleanup function
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cleanup() {
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echo "Caught Ctrl+C, cleaning up..."
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# Cleanup commands
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pgrep python | xargs kill -9
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pkill -f python
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echo "Cleanup complete. Exiting."
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exit 0
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}
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export VLLM_HOST_IP=$(hostname -I | awk '{print $1}')
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# a function that waits vLLM server to start
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wait_for_server() {
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local port=$1
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timeout 1200 bash -c "
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until curl -s localhost:${port}/v1/completions > /dev/null; do
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sleep 1
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done" && return 0 || return 1
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}
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vllm serve $MODEL_NAME \
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--port 8100 \
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--max-model-len 100 \
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--enforce-eager \
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--gpu-memory-utilization 0.8 \
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--trust-remote-code \
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--kv-events-config \
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'{"enable_kv_cache_events": true, "publisher": "zmq", "topic": "kv-events"}' &
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wait_for_server 8100
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SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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python3 "$SCRIPT_DIR/kv_events_subscriber.py" &
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sleep 1
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# serve two example requests
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output1=$(curl -X POST -s http://localhost:8100/v1/completions \
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-H "Content-Type: application/json" \
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-d '{
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"model": "'"$MODEL_NAME"'",
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"prompt": "Explain quantum computing in simple terms a 5-year-old could understand.",
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"max_tokens": 80,
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"temperature": 0
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}')
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output2=$(curl -X POST -s http://localhost:8100/v1/completions \
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-H "Content-Type: application/json" \
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-d '{
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"model": "'"$MODEL_NAME"'",
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"prompt": "Explain quantum computing in simple terms a 50-year-old could understand.",
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"max_tokens": 80,
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"temperature": 0
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}')
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# Cleanup commands
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pkill -9 -u "$USER" -f python
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pkill -9 -u "$USER" -f vllm
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sleep 1
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echo "Cleaned up"
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# Print the outputs of the curl requests
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echo ""
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echo "Output of first request: $output1"
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echo "Output of second request: $output2"
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echo "🎉🎉 Successfully finished 2 test requests! 🎉🎉"
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echo ""
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