Performance Metrics & Analysis

Learn key performance metrics and how to analyze test results

45 min•By Priygop Team•Last updated: Feb 2026

Key Performance Metrics

Response Time: Time taken to process requests
Throughput: Number of requests processed per unit time
Concurrent Users: Number of simultaneous users
Resource Utilization: CPU, Memory, Disk, Network usage
Error Rate: Percentage of failed requests
Availability: System uptime percentage

Performance Analysis Dashboard

Example

// Performance Metrics Dashboard
const performanceDashboard = {
    "Response Time Analysis": {
        "Average Response Time": "1.2 seconds",
        "95th Percentile": "2.8 seconds",
        "99th Percentile": "5.1 seconds",
        "Max Response Time": "12.3 seconds",
        "Status": "Within SLA (< 3 seconds)"
    },
    "Throughput Analysis": {
        "Requests per Second": "850 RPS",
        "Peak RPS": "1200 RPS",
        "Average RPS": "750 RPS",
        "Target RPS": "1000 RPS",
        "Status": "Below target"
    },
    "Resource Utilization": {
        "CPU Usage": "65% (Target: < 80%)",
        "Memory Usage": "72% (Target: < 85%)",
        "Disk I/O": "45% (Target: < 70%)",
        "Network Usage": "38% (Target: < 75%)",
        "Status": "Within limits"
    },
    "Error Analysis": {
        "Total Errors": "23",
        "Error Rate": "0.8% (Target: < 1%)",
        "4xx Errors": "15 (Client errors)",
        "5xx Errors": "8 (Server errors)",
        "Status": "Acceptable"
    }
};

// Performance Bottleneck Analysis
const bottleneckAnalysis = {
    "Database Bottlenecks": {
        "Slow Queries": "5 queries > 2 seconds",
        "Connection Pool": "85% utilization",
        "Index Issues": "Missing indexes on 3 tables",
        "Recommendations": [
            "Optimize slow queries",
            "Increase connection pool size",
            "Add missing database indexes"
        ]
    },
    "Application Bottlenecks": {
        "Memory Leaks": "2 potential leaks detected",
        "Inefficient Algorithms": "3 functions need optimization",
        "Synchronous Operations": "5 blocking operations found",
        "Recommendations": [
            "Fix memory leaks",
            "Optimize algorithms",
            "Implement async operations"
        ]
    },
    "Infrastructure Bottlenecks": {
        "Server Capacity": "CPU at 85% during peak",
        "Network Bandwidth": "75% utilization",
        "Storage I/O": "Disk queue depth high",
        "Recommendations": [
            "Scale horizontally",
            "Upgrade network capacity",
            "Optimize storage configuration"
        ]
    }
};