forked from claude-did-this/claude-hub
587a05f4f1
- Add StartupMetrics utility to track detailed application startup milestones - Enhance health endpoint with startup timing data and component check durations - Add automated benchmark script for measuring container startup performance - Instrument Express application with milestone tracking throughout initialization 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
91 lines
2.2 KiB
Bash
Executable File
91 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# Benchmark script for measuring spin-up times
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set -e
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BENCHMARK_RUNS=${1:-3}
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COMPOSE_FILE=${2:-docker-compose.yml}
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echo "Benchmarking startup time with $COMPOSE_FILE (${BENCHMARK_RUNS} runs)"
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echo "=============================================="
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TOTAL_TIME=0
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RESULTS=()
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for i in $(seq 1 $BENCHMARK_RUNS); do
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echo "Run $i/$BENCHMARK_RUNS:"
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# Ensure clean state
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docker compose -f $COMPOSE_FILE down >/dev/null 2>&1 || true
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docker system prune -f >/dev/null 2>&1 || true
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# Start timing
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START_TIME=$(date +%s%3N)
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# Start service
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docker compose -f $COMPOSE_FILE up -d >/dev/null 2>&1
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# Wait for health check to pass
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echo -n " Waiting for service to be ready."
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while true; do
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if curl -s -f http://localhost:8082/health >/dev/null 2>&1; then
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READY_TIME=$(date +%s%3N)
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break
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fi
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echo -n "."
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sleep 0.5
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done
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ELAPSED=$((READY_TIME - START_TIME))
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TOTAL_TIME=$((TOTAL_TIME + ELAPSED))
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RESULTS+=($ELAPSED)
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echo " Ready! (${ELAPSED}ms)"
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# Get detailed startup metrics
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METRICS=$(curl -s http://localhost:8082/health | jq -r '.startup.totalElapsed // "N/A"')
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echo " App startup time: ${METRICS}ms"
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# Clean up
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docker compose -f $COMPOSE_FILE down >/dev/null 2>&1
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# Brief pause between runs
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sleep 2
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done
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echo ""
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echo "Results Summary:"
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echo "=============================================="
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AVERAGE=$((TOTAL_TIME / BENCHMARK_RUNS))
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echo "Average startup time: ${AVERAGE}ms"
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# Calculate min/max
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MIN=${RESULTS[0]}
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MAX=${RESULTS[0]}
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for time in "${RESULTS[@]}"; do
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[ $time -lt $MIN ] && MIN=$time
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[ $time -gt $MAX ] && MAX=$time
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done
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echo "Fastest: ${MIN}ms"
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echo "Slowest: ${MAX}ms"
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echo "Individual results: ${RESULTS[*]}"
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# Save results to file
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TIMESTAMP=$(date '+%Y%m%d_%H%M%S')
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RESULTS_FILE="benchmark_results_${TIMESTAMP}.json"
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cat > $RESULTS_FILE << EOF
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{
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"timestamp": "$(date -Iseconds)",
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"compose_file": "$COMPOSE_FILE",
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"runs": $BENCHMARK_RUNS,
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"results_ms": [$(IFS=,; echo "${RESULTS[*]}")],
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"average_ms": $AVERAGE,
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"min_ms": $MIN,
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"max_ms": $MAX
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}
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EOF
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echo "Results saved to: $RESULTS_FILE" |