WordPress WooCommerce Observability Stack —

WooCommerce Observability

WordPress WooCommerce Observability Monitoring Logging Performance Alerting Core Web Vitals Revenue Order Checkout

เนื้อหาเกี่ยวข้อง — กองทุนรวมลดหย่อนภาษีได้ไหม

Monitoring Setup

# === WooCommerce Monitoring with WP-CLI & Custom Script ===

# WP-CLI Commands for monitoring
# wp plugin list --status=active --format=json    # Active plugins
# wp plugin list --update=available --format=json  # Plugins need update
# wp core version                                  # WordPress version
# wp core check-update                            # Check WP update
# wp wc order list --status=processing --format=json  # Pending orders
# wp db query "SELECT COUNT(*) FROM wp_posts WHERE post_type='product' AND post_status='publish'"
# wp db query "SHOW FULL PROCESSLIST"             # Active DB connections
# wp cron event list                              # Scheduled cron events

# PHP-FPM Status monitoring
# curl http://localhost/status?json
# {
#   "pool": "www",
#   "accepted conn": 12345,
#   "active processes": 5,
#   "idle processes": 15,
#   "max active processes": 20,
#   "slow requests": 3
# }

from dataclasses import dataclass

@dataclass
class MonitorCheck:
    check: str
    command: str
    threshold: str
    frequency: str
    alert: str

checks = [
    MonitorCheck("Site Uptime",
        "curl -o /dev/null -s -w '%{http_code}' https://shop.example.com",
        "HTTP 200 = OK, อื่น = Down",
        "ทุก 1 นาที",
        "Down → SMS + Slack ทันที"),
    MonitorCheck("Page Load Time",
        "curl -o /dev/null -s -w '%{time_total}' https://shop.example.com",
        "< 2s = Good, > 3s = Slow, > 5s = Critical",
        "ทุก 5 นาที",
        "> 3s → Warning, > 5s → Critical"),
    MonitorCheck("PHP-FPM Active",
        "curl http://localhost/status?json | jq .active_processes",
        "< 80% of max = Good",
        "ทุก 1 นาที",
        "> 90% max → Scale up / Optimize"),
    MonitorCheck("MySQL Slow Queries",
        "wp db query 'SHOW GLOBAL STATUS LIKE \"Slow_queries\"'",
        "< 10/hour = Good",
        "ทุก 15 นาที",
        "> 50/hour → Optimize Queries"),
    MonitorCheck("WooCommerce Orders",
        "wp wc order list --after=today --format=count",
        "Compare with yesterday same time",
        "ทุกชั่วโมง",
        "Drop > 50% → Investigate"),
    MonitorCheck("Disk Usage",
        "df -h /var/www | awk 'NR==2{print $5}'",
        "< 80% = Good",
        "ทุก 15 นาที",
        "> 85% → Warning, > 95% → Critical"),
]

print("=== Monitor Checks ===")
for c in checks:
    print(f"  [{c.check}] Freq: {c.frequency}")
    print(f"    Command: {c.command}")
    print(f"    Threshold: {c.threshold}")
    print(f"    Alert: {c.alert}")

Performance Optimization

# === WooCommerce Performance Stack ===

@dataclass
class OptimizeLayer:
    layer: str
    tool: str
    config: str
    impact: str

optimizations = [
    OptimizeLayer("Page Cache",
        "LiteSpeed Cache / WP Super Cache / WP Rocket",
        "Cache HTML Pages, Exclude Cart/Checkout/My-Account",
        "Load Time ลด 50-80%"),
    OptimizeLayer("Object Cache",
        "Redis (recommended) / Memcached",
        "wp-config.php: WP_REDIS_HOST, WP_REDIS_PORT",
        "Database Query ลด 40-60%"),
    OptimizeLayer("CDN",
        "Cloudflare (Free) / Bunny CDN / KeyCDN",
        "DNS Proxy, Static Assets Cache, Image Polish",
        "Global Load Time ลด 30-50%"),
    OptimizeLayer("Image Optimization",
        "ShortPixel / Imagify / EWWW",
        "WebP Format, Lazy Loading, Resize to Max Width",
        "Page Size ลด 30-60%"),
    OptimizeLayer("Database Optimization",
        "WP-Optimize / Advanced Database Cleaner",
        "ลบ Revision Transient Spam, Optimize Tables",
        "Query Speed เพิ่ม 20-40%"),
    OptimizeLayer("PHP Upgrade",
        "PHP 8.2+ (จาก PHP 7.4)",
        "php.ini: opcache.enable=1, memory_limit=256M",
        "PHP Speed เพิ่ม 30-50%"),
    OptimizeLayer("HTTP/2 + Brotli",
        "Nginx / LiteSpeed Web Server",
        "http2 on, brotli on, brotli_comp_level 6",
        "Transfer Size ลด 20-30%"),
]

print("=== Performance Stack ===")
for o in optimizations:
    print(f"  [{o.layer}] Tool: {o.tool}")
    print(f"    Config: {o.config}")
    print(f"    Impact: {o.impact}")

Dashboard & Alerting

# === Observability Dashboard ===

@dataclass
class DashPanel:
    panel: str
    metrics: str
    source: str
    alert_rule: str

panels = [
    DashPanel("Revenue Real-time",
        "Orders/hour, Revenue/hour, AOV, Conversion Rate",
        "WooCommerce Analytics API / Custom Query",
        "Revenue drop > 50% vs yesterday → Critical"),
    DashPanel("Site Health",
        "Uptime %, Response Time p50 p95 p99, Error Rate",
        "UptimeRobot API / Synthetic Monitoring",
        "Uptime < 99.9% → Warning"),
    DashPanel("Server Resources",
        "CPU, RAM, Disk, Network, PHP-FPM Pool",
        "Prometheus node_exporter + php-fpm_exporter",
        "CPU > 80% for 5min → Warning"),
    DashPanel("Core Web Vitals",
        "LCP, FID, CLS, TTFB per page",
        "Chrome UX Report / PageSpeed API",
        "LCP > 2.5s → Optimization needed"),
    DashPanel("Security Events",
        "Login Attempts, File Changes, Blocked IPs",
        "Wordfence API / WP Activity Log",
        "Brute Force > 100/hr → Block IP Range"),
    DashPanel("Plugin Status",
        "Active/Inactive, Updates Available, Conflicts",
        "WP-CLI scheduled scan",
        "Security Update Available → Urgent"),
]

print("=== Dashboard ===")
for p in panels:
    print(f"  [{p.panel}] Metrics: {p.metrics}")
    print(f"    Source: {p.source}")
    print(f"    Alert: {p.alert_rule}")

เคล็ดลับ

• Cache: ใช้ Page Cache + Object Cache + CDN ครบ 3 ชั้น
• Query Monitor: ติดตั้ง Query Monitor Plugin ดู Slow Query ใน Development
• Uptime: ตั้ง Uptime Monitor ตรวจทุกนาที แจ้ง SMS ทันที
• Revenue: Monitor Revenue ทุกชั่วโมง ถ้าลดฮวบ อาจมี Bug
• Update: อัพเดท WordPress Plugin PHP สม่ำเสมอ

WooCommerce Observability คืออะไร

Metrics Performance Logs PHP Error Traces Checkout Payment Alerts Site Down Slow New Relic Grafana Query Monitor WP Activity Log

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