4d5b6a77ca
- Create configuration file for the custom benchmark experiment. - Implement result parsing script to handle JSONL outputs from the benchmark. - Develop run script to orchestrate the benchmark execution, including server management and health checks. - Add server start script to launch a single vLLM service on all available GPUs.
111 lines
2.6 KiB
Bash
Executable File
111 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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# Start 4 independent vLLM TP=2 services on 8x H200.
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# Each service runs on a pair of GPUs: (0,1), (2,3), (4,5), (6,7).
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# This maximizes GPU utilization for low-concurrency workloads.
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=/dev/null
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source "${SCRIPT_DIR}/config.env"
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VENV="${VENV_SERVER}"
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export PATH="$VENV/bin:$PATH"
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VLLM="$VENV/bin/vllm"
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TP=2
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LOG_DIR="${SCRIPT_DIR}/logs"
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mkdir -p "$LOG_DIR"
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# 4 services, each on 2 GPUs.
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# Port and GPU pair mapping.
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SERVICES=(
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"30005:0,1"
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"30006:2,3"
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"30007:4,5"
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"30008:6,7"
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)
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# Kill any existing vLLM processes for this model.
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pkill -9 -f "vllm serve.*${MODEL_NAME}" 2>/dev/null || true
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sleep 2
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# Remove old PID files.
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rm -f "${SCRIPT_DIR}"/*.pid
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for svc in "${SERVICES[@]}"; do
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PORT="${svc%%:*}"
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GPUS="${svc##*:}"
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LOG="${LOG_DIR}/server_port${PORT}_$(date +%Y%m%d_%H%M%S).log"
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PID_FILE="${SCRIPT_DIR}/server_port${PORT}.pid"
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echo "=== Starting service on port ${PORT}, GPUs ${GPUS} ==="
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echo "Log: ${LOG}"
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CUDA_VISIBLE_DEVICES="${GPUS}" \
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nohup "$VLLM" serve "$MODEL_PATH" \
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--trust-remote-code \
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--tensor-parallel-size "$TP" \
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--kv-cache-dtype fp8 \
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--block-size 256 \
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--served-model-name "$SERVED_MODEL_NAME" \
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--port "$PORT" \
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> "$LOG" 2>&1 &
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PID=$!
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echo $PID > "$PID_FILE"
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echo "PID: $PID"
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done
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echo ""
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echo "Waiting for all 4 services to become healthy..."
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MAX_WAIT=240
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all_healthy=0
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for i in $(seq 1 $MAX_WAIT); do
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all_healthy=1
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for svc in "${SERVICES[@]}"; do
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PORT="${svc%%:*}"
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if ! curl -s "http://127.0.0.1:${PORT}/health" > /dev/null 2>&1; then
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all_healthy=0
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break
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fi
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done
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if [[ "$all_healthy" -eq 1 ]]; then
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echo "All 4 services are healthy!"
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for svc in "${SERVICES[@]}"; do
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PORT="${svc%%:*}"
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echo " - http://127.0.0.1:${PORT}"
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done
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exit 0
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fi
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# Check if any process died early.
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for svc in "${SERVICES[@]}"; do
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PORT="${svc%%:*}"
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PID_FILE="${SCRIPT_DIR}/server_port${PORT}.pid"
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if [[ -f "$PID_FILE" ]]; then
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PID="$(cat "$PID_FILE")"
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if ! kill -0 "$PID" 2>/dev/null; then
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echo "ERROR: Service on port ${PORT} (PID ${PID}) exited early"
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LOG="${LOG_DIR}/server_port${PORT}_*.log"
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tail -200 $LOG 2>/dev/null || true
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exit 1
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fi
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fi
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done
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if (( i % 10 == 0 )); then
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echo "Waiting... (${i}/${MAX_WAIT})"
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fi
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sleep 5
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done
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echo "ERROR: Not all services became healthy after ${MAX_WAIT} retries"
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for svc in "${SERVICES[@]}"; do
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PORT="${svc%%:*}"
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LOG="${LOG_DIR}/server_port${PORT}_*.log"
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echo "--- Last 50 lines of port ${PORT} ---"
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tail -50 $LOG 2>/dev/null || true
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done
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exit 1
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