#!/usr/bin/env node
/**
* Production Performance Benchmarks
* Establishes baseline performance metrics and SLA targets
*/
const fs = require('fs');
const path = require('path');
const { execSync } = require('child_process');
console.log('๐ Establishing Production Performance Benchmarks...\n');
// Production Performance SLA Targets
const PERFORMANCE_SLA = {
// Response time targets (milliseconds)
responseTime: {
p50: 100, // 50th percentile < 100ms
p95: 300, // 95th percentile < 300ms
p99: 500, // 99th percentile < 500ms
max: 1000 // Maximum < 1000ms
},
// Throughput targets (requests/second)
throughput: {
read: 1000, // GET requests/sec
write: 100, // POST/PUT/DELETE requests/sec
mixed: 500 // Mixed workload requests/sec
},
// Cache performance targets
cache: {
hitRate: 0.80, // 80% cache hit rate
writeOpsPerSec: 50000, // Cache write operations/sec
readOpsPerSec: 100000, // Cache read operations/sec
memoryUsage: 512 // Max memory usage MB
},
// Resource utilization targets
resources: {
cpuUsage: 0.70, // Max 70% CPU utilization
memoryUsage: 0.80, // Max 80% memory utilization
diskIO: 100, // Max 100 MB/s disk I/O
networkIO: 500 // Max 500 MB/s network I/O
},
// Availability targets
availability: {
uptime: 0.999, // 99.9% uptime SLA
healthCheckTimeout: 5000, // Health check timeout
maxDowntime: 43200 // Max downtime per month (12 hours)
}
};
// Test Scenarios
const TEST_SCENARIOS = [
{
name: 'WordPress API Load Test',
description: 'Test WordPress REST API performance under load',
duration: 60,
concurrency: 50,
target: 'posts'
},
{
name: 'Cache Performance Test',
description: 'Validate cache hit rates and performance',
duration: 30,
operations: 10000,
type: 'mixed'
},
{
name: 'Memory Stress Test',
description: 'Test memory usage under sustained load',
duration: 120,
payloadSize: '1mb',
operations: 1000
},
{
name: 'Concurrent User Simulation',
description: 'Simulate real-world concurrent user patterns',
duration: 180,
users: 100,
rampUp: 30
}
];
function getCurrentMetrics() {
console.log('๐ Collecting current performance metrics...');
const metrics = {
timestamp: new Date().toISOString(),
system: {
nodeVersion: process.version,
platform: process.platform,
arch: process.arch,
cpus: require('os').cpus().length,
totalMemory: Math.round(require('os').totalmem() / 1024 / 1024 / 1024) + ' GB'
},
application: {}
};
try {
// Run performance tests to get baseline
console.log(' โก Running cache performance test...');
const cacheTest = execSync('NODE_OPTIONS="--experimental-vm-modules" npx jest tests/cache/cache-performance.test.js --verbose --testTimeout=60000', {
encoding: 'utf8',
timeout: 120000,
stdio: ['pipe', 'pipe', 'pipe']
});
// Extract cache performance metrics from test output
const cacheMetrics = extractCacheMetrics(cacheTest);
metrics.application.cache = cacheMetrics;
console.log(' ๐ Cache write throughput:', cacheMetrics.writeThroughput.toLocaleString(), 'ops/sec');
console.log(' ๐ Cache read throughput:', cacheMetrics.readThroughput.toLocaleString(), 'ops/sec');
} catch (error) {
console.warn(' โ ๏ธ Could not collect all performance metrics:', error.message);
}
return metrics;
}
function extractCacheMetrics(testOutput) {
const metrics = {
writeThroughput: 0,
readThroughput: 0,
mixedThroughput: 0,
latencyP50: 0,
latencyP95: 0,
latencyP99: 0,
memoryEfficiency: 0
};
try {
// Parse cache throughput from test output
const writeMatch = testOutput.match(/Cache write throughput: ([\d,]+) ops\/sec/);
if (writeMatch) {
metrics.writeThroughput = parseInt(writeMatch[1].replace(/,/g, ''));
}
const readMatch = testOutput.match(/Cache read throughput: ([\d,]+) ops\/sec/);
if (readMatch) {
metrics.readThroughput = parseInt(readMatch[1].replace(/,/g, ''));
}
const mixedMatch = testOutput.match(/Mixed workload throughput: ([\d,]+) ops\/sec/);
if (mixedMatch) {
metrics.mixedThroughput = parseInt(mixedMatch[1].replace(/,/g, ''));
}
// Parse latency metrics
const latencyMatch = testOutput.match(/P50: ([\d.]+)ms, P95: ([\d.]+)ms, P99: ([\d.]+)ms/);
if (latencyMatch) {
metrics.latencyP50 = parseFloat(latencyMatch[1]);
metrics.latencyP95 = parseFloat(latencyMatch[2]);
metrics.latencyP99 = parseFloat(latencyMatch[3]);
}
} catch (error) {
console.warn(' โ ๏ธ Could not parse all cache metrics');
}
return metrics;
}
function validateAgainstSLA(metrics) {
console.log('\n๐ฏ Validating performance against SLA targets...');
const results = {
overall: 'PASS',
details: [],
score: 100
};
// Validate cache performance
if (metrics.application.cache) {
const cache = metrics.application.cache;
// Cache write throughput
if (cache.writeThroughput >= PERFORMANCE_SLA.cache.writeOpsPerSec) {
results.details.push({
metric: 'Cache Write Throughput',
status: 'PASS',
value: cache.writeThroughput,
target: PERFORMANCE_SLA.cache.writeOpsPerSec
});
} else {
results.details.push({
metric: 'Cache Write Throughput',
status: 'FAIL',
value: cache.writeThroughput,
target: PERFORMANCE_SLA.cache.writeOpsPerSec
});
results.overall = 'FAIL';
results.score -= 15;
}
// Cache read throughput
if (cache.readThroughput >= PERFORMANCE_SLA.cache.readOpsPerSec) {
results.details.push({
metric: 'Cache Read Throughput',
status: 'PASS',
value: cache.readThroughput,
target: PERFORMANCE_SLA.cache.readOpsPerSec
});
} else {
results.details.push({
metric: 'Cache Read Throughput',
status: 'FAIL',
value: cache.readThroughput,
target: PERFORMANCE_SLA.cache.readOpsPerSec
});
results.overall = 'FAIL';
results.score -= 15;
}
// Response time validation
if (cache.latencyP95 <= PERFORMANCE_SLA.responseTime.p95) {
results.details.push({
metric: 'Response Time P95',
status: 'PASS',
value: cache.latencyP95 + 'ms',
target: PERFORMANCE_SLA.responseTime.p95 + 'ms'
});
} else {
results.details.push({
metric: 'Response Time P95',
status: 'FAIL',
value: cache.latencyP95 + 'ms',
target: PERFORMANCE_SLA.responseTime.p95 + 'ms'
});
results.overall = 'FAIL';
results.score -= 20;
}
}
return results;
}
function generateBenchmarkReport(metrics, validation) {
console.log('\n๐ Generating benchmark report...');
const report = {
metadata: {
version: '2.4.2',
timestamp: new Date().toISOString(),
environment: 'production',
testDuration: '5 minutes'
},
sla: PERFORMANCE_SLA,
testScenarios: TEST_SCENARIOS,
currentMetrics: metrics,
validation: validation,
recommendations: []
};
// Generate recommendations based on validation results
validation.details.forEach(detail => {
if (detail.status === 'FAIL') {
report.recommendations.push({
priority: 'HIGH',
metric: detail.metric,
issue: `Performance below SLA target: ${detail.value} < ${detail.target}`,
recommendations: generateRecommendations(detail.metric)
});
}
});
return report;
}
function generateRecommendations(metric) {
const recommendations = {
'Cache Write Throughput': [
'Optimize cache write operations with batching',
'Consider using Redis for distributed caching',
'Review cache serialization performance',
'Implement async cache writes where possible'
],
'Cache Read Throughput': [
'Implement cache warming strategies',
'Optimize cache key generation and lookup',
'Consider memory-based caching for hot data',
'Review cache hit rate and eviction policies'
],
'Response Time P95': [
'Enable request compression and caching',
'Optimize database queries and indexing',
'Implement connection pooling',
'Consider CDN for static assets'
]
};
return recommendations[metric] || ['Review and optimize this metric'];
}
function displayResults(validation) {
console.log('\n๐ฏ Performance Validation Results:');
console.log('====================================');
console.log(`Overall Status: ${validation.overall === 'PASS' ? 'โ
' : 'โ'} ${validation.overall}`);
console.log(`Performance Score: ${validation.score}/100`);
console.log('');
validation.details.forEach(detail => {
const status = detail.status === 'PASS' ? 'โ
' : 'โ';
console.log(`${status} ${detail.metric}: ${detail.value} (target: ${detail.target})`);
});
}
async function main() {
try {
// Step 1: Collect current metrics
const metrics = getCurrentMetrics();
// Step 2: Validate against SLA
const validation = validateAgainstSLA(metrics);
// Step 3: Generate comprehensive report
const report = generateBenchmarkReport(metrics, validation);
// Step 4: Save benchmark report
const reportPath = 'performance-benchmark.json';
fs.writeFileSync(reportPath, JSON.stringify(report, null, 2));
// Step 5: Display results
displayResults(validation);
console.log('\n๐ Performance Benchmarks Summary:');
console.log('==================================');
console.log(`Cache Write Throughput: ${metrics.application.cache?.writeThroughput?.toLocaleString() || 'N/A'} ops/sec`);
console.log(`Cache Read Throughput: ${metrics.application.cache?.readThroughput?.toLocaleString() || 'N/A'} ops/sec`);
console.log(`Mixed Workload Throughput: ${metrics.application.cache?.mixedThroughput?.toLocaleString() || 'N/A'} ops/sec`);
console.log(`Response Time P95: ${metrics.application.cache?.latencyP95 || 'N/A'}ms`);
console.log('');
console.log(`โ
Benchmark report saved to: ${reportPath}`);
if (report.recommendations.length > 0) {
console.log('\n๐ก Performance Recommendations:');
console.log('===============================');
report.recommendations.forEach((rec, index) => {
console.log(`${index + 1}. ${rec.metric} (${rec.priority} Priority)`);
rec.recommendations.forEach(r => console.log(` - ${r}`));
console.log('');
});
}
console.log('๐ Performance benchmarking complete!');
// Exit with appropriate code
process.exit(validation.overall === 'PASS' ? 0 : 1);
} catch (error) {
console.error('โ Error during performance benchmarking:', error.message);
process.exit(1);
}
}
if (require.main === module) {
main();
}