{"slug":"architecture/04_OBSERVABILITY_RELIABILITY","title":"IntegrateWise Observability & Reliability Documentation","section":"architecture","sectionLabel":"Architecture","status":"unclassified","type":"document","path":"architecture/04_OBSERVABILITY_RELIABILITY.mdx","bytes":20427,"description":null,"updated":null,"source":"integratewise/Integratewise-docs-wiki","content":"\n## Monitoring, SLAs, and Operational Excellence\n\n**Version:** 1.0  \n**Classification:** Internal + IT Teams  \n**Last Updated:** January 2026\n\n---\n\n# Table of Contents\n\n1. [Monitoring Strategy](#1-monitoring-strategy)\n2. [Health Checks](#2-health-checks)\n3. [Error Reporting](#3-error-reporting)\n4. [Retry Logic](#4-retry-logic)\n5. [Status Page & Incident Process](#5-status-page--incident-process)\n6. [SLAs](#6-slas)\n7. [Performance Benchmarks](#7-performance-benchmarks)\n8. [Alerting](#8-alerting)\n\n---\n\n# 1. Monitoring Strategy\n\n## 1.1 Monitoring Stack\n\n| Component                | Tool                 | Purpose                         |\n| ------------------------ | -------------------- | ------------------------------- |\n| **Uptime Monitoring**    | Better Stack         | External availability checks    |\n| **Application Metrics**  | Cloudflare Analytics | Request metrics, errors         |\n| **Database Metrics**     | Supabase Dashboard   | Query performance, connections  |\n| **Error Tracking**       | Sentry (planned)     | Error aggregation, stack traces |\n| **Log Aggregation**      | Cloudflare Logs      | Request/response logs           |\n| **Synthetic Monitoring** | Better Stack         | API endpoint checks             |\n\n## 1.2 Key Metrics\n\n### System Metrics\n\n| Metric                  | Target  | Alert Threshold |\n| ----------------------- | ------- | --------------- |\n| **Uptime**              | 99.9%   | < 99.5%         |\n| **Response Time (p50)** | < 100ms | > 200ms         |\n| **Response Time (p95)** | < 500ms | > 1000ms        |\n| **Error Rate**          | < 0.1%  | > 1%            |\n| **CPU Utilization**     | < 70%   | > 85%           |\n| **Memory Usage**        | < 80%   | > 90%           |\n\n### Business Metrics\n\n| Metric                    | Purpose            | Alert          |\n| ------------------------- | ------------------ | -------------- |\n| **Sync Success Rate**     | Integration health | < 95%          |\n| **Webhook Delivery Rate** | Integration health | < 99%          |\n| **API Request Volume**    | Capacity planning  | > 80% of limit |\n| **Active Connections**    | Database health    | > 80% of pool  |\n\n## 1.3 Monitoring Architecture\n\n```\n┌─────────────────────────────────────────────────────────────────────────────┐\n│                      MONITORING ARCHITECTURE                                 │\n└─────────────────────────────────────────────────────────────────────────────┘\n\n                              EXTERNAL\n     ┌─────────────────────────────────────────────────────────────────┐\n     │                     Better Stack                                │\n     │  • Uptime monitoring (every 30s)                               │\n     │  • SSL certificate checks                                       │\n     │  • API endpoint health                                          │\n     └─────────────────────────────────────────────────────────────────┘\n                                   │\n                                   │ Alerts\n                                   ▼\n     ┌─────────────────────────────────────────────────────────────────┐\n     │                     NOTIFICATION CHANNELS                        │\n     │  • Slack (#alerts)                                              │\n     │  • Email (on-call)                                              │\n     │  • PagerDuty (P1 only)                                          │\n     └─────────────────────────────────────────────────────────────────┘\n                                   ▲\n                                   │ Alerts\n                                   │\n     ┌─────────────────────────────────────────────────────────────────┐\n     │                     INTERNAL MONITORING                          │\n     │  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐          │\n     │  │  Cloudflare  │  │   Supabase   │  │   n8n        │          │\n     │  │  Analytics   │  │   Dashboard  │  │  Monitoring  │          │\n     │  │              │  │              │  │              │          │\n     │  │ • Requests   │  │ • DB metrics │  │ • Workflow   │          │\n     │  │ • Errors     │  │ • Query time │  │   success    │          │\n     │  │ • Bandwidth  │  │ • Pool usage │  │ • Execution  │          │\n     │  └──────────────┘  └──────────────┘  └──────────────┘          │\n     └─────────────────────────────────────────────────────────────────┘\n```\n\n---\n\n# 2. Health Checks\n\n## 2.1 Health Check Endpoints\n\n| Endpoint                   | Purpose                 | Frequency |\n| -------------------------- | ----------------------- | --------- |\n| `GET /health`              | Basic liveness          | Every 30s |\n| `GET /health/ready`        | Full readiness          | Every 60s |\n| `GET /health/db`           | Database connectivity   | Every 60s |\n| `GET /health/integrations` | External service status | Every 5m  |\n\n## 2.2 Health Check Responses\n\n### Basic Health (`/health`)\n\n```json\n{\n  \"status\": \"healthy\",\n  \"timestamp\": \"2026-01-07T10:30:00Z\",\n  \"version\": \"1.0.0\"\n}\n```\n\n### Full Readiness (`/health/ready`)\n\n```json\n{\n  \"status\": \"healthy\",\n  \"timestamp\": \"2026-01-07T10:30:00Z\",\n  \"version\": \"1.0.0\",\n  \"checks\": {\n    \"database\": {\n      \"status\": \"healthy\",\n      \"latency_ms\": 12\n    },\n    \"cache\": {\n      \"status\": \"healthy\",\n      \"latency_ms\": 2\n    },\n    \"queue\": {\n      \"status\": \"healthy\",\n      \"pending_jobs\": 5\n    }\n  }\n}\n```\n\n### Degraded State\n\n```json\n{\n  \"status\": \"degraded\",\n  \"timestamp\": \"2026-01-07T10:30:00Z\",\n  \"version\": \"1.0.0\",\n  \"checks\": {\n    \"database\": {\n      \"status\": \"healthy\",\n      \"latency_ms\": 12\n    },\n    \"cache\": {\n      \"status\": \"degraded\",\n      \"latency_ms\": 150,\n      \"message\": \"Elevated latency\"\n    }\n  }\n}\n```\n\n## 2.3 Health Check Logic\n\n```typescript\n// Health check implementation\nasync function healthCheck(): Promise<HealthStatus> {\n  const checks = await Promise.allSettled([checkDatabase(), checkCache(), checkQueue()]);\n\n  const results = {\n    database: checks[0],\n    cache: checks[1],\n    queue: checks[2],\n  };\n\n  const hasUnhealthy = Object.values(results).some(\n    (r) => r.status === \"rejected\" || r.value?.status === \"unhealthy\"\n  );\n\n  const hasDegraded = Object.values(results).some((r) => r.value?.status === \"degraded\");\n\n  return {\n    status: hasUnhealthy ? \"unhealthy\" : hasDegraded ? \"degraded\" : \"healthy\",\n    checks: results,\n    timestamp: new Date().toISOString(),\n  };\n}\n```\n\n---\n\n# 3. Error Reporting\n\n## 3.1 Error Classification\n\n| Level       | Description        | Action                   |\n| ----------- | ------------------ | ------------------------ |\n| **Fatal**   | Application crash  | Immediate alert, restart |\n| **Error**   | Operation failed   | Log, alert if frequent   |\n| **Warning** | Degraded operation | Log, monitor             |\n| **Info**    | Operational info   | Log only                 |\n\n## 3.2 Error Format\n\n```json\n{\n  \"error_id\": \"err_a1b2c3d4\",\n  \"level\": \"error\",\n  \"timestamp\": \"2026-01-07T10:30:00Z\",\n  \"request_id\": \"req_xyz789\",\n  \"message\": \"Database connection timeout\",\n  \"code\": \"DB_TIMEOUT\",\n  \"context\": {\n    \"organization_id\": \"org_abc123\",\n    \"user_id\": \"usr_def456\",\n    \"endpoint\": \"/v1/accounts\",\n    \"method\": \"GET\"\n  },\n  \"stack\": \"Error: Database connection timeout\\n    at queryDatabase...\",\n  \"metadata\": {\n    \"query_duration_ms\": 30000,\n    \"retry_count\": 3\n  }\n}\n```\n\n## 3.3 Error Aggregation\n\nErrors are aggregated by:\n\n- Error code\n- Endpoint\n- Organization\n- Time window\n\n**Alert thresholds:**\n\n| Condition                   | Alert    |\n| --------------------------- | -------- |\n| Same error 5x in 5 minutes  | Warning  |\n| Same error 20x in 5 minutes | Error    |\n| Error rate > 1%             | Critical |\n\n---\n\n# 4. Retry Logic\n\n## 4.1 Retry Configuration\n\n| Operation              | Max Retries | Strategy             | Backoff          |\n| ---------------------- | ----------- | -------------------- | ---------------- |\n| **Database queries**   | 3           | Exponential          | 100ms, 500ms, 2s |\n| **External API calls** | 5           | Exponential + Jitter | 1s → 32s         |\n| **Webhook delivery**   | 10          | Exponential          | 1m → 24h         |\n| **File operations**    | 3           | Linear               | 1s, 2s, 3s       |\n\n## 4.2 Retry Implementation\n\n```typescript\nasync function withRetry<T>(operation: () => Promise<T>, options: RetryOptions): Promise<T> {\n  const { maxRetries, initialDelay, maxDelay, factor } = options;\n\n  let lastError: Error;\n  let delay = initialDelay;\n\n  for (let attempt = 0; attempt <= maxRetries; attempt++) {\n    try {\n      return await operation();\n    } catch (error) {\n      lastError = error;\n\n      // Don't retry on non-retriable errors\n      if (!isRetriable(error)) {\n        throw error;\n      }\n\n      // Check if we've exhausted retries\n      if (attempt === maxRetries) {\n        break;\n      }\n\n      // Add jitter (±25%)\n      const jitter = delay * (0.75 + Math.random() * 0.5);\n      await sleep(jitter);\n\n      // Exponential backoff\n      delay = Math.min(delay * factor, maxDelay);\n    }\n  }\n\n  throw new RetryExhaustedError(lastError, maxRetries);\n}\n```\n\n## 4.3 Circuit Breaker\n\n```typescript\nclass CircuitBreaker {\n  private failures = 0;\n  private lastFailure: Date | null = null;\n  private state: \"closed\" | \"open\" | \"half-open\" = \"closed\";\n\n  async execute<T>(operation: () => Promise<T>): Promise<T> {\n    if (this.state === \"open\") {\n      if (this.shouldReset()) {\n        this.state = \"half-open\";\n      } else {\n        throw new CircuitOpenError();\n      }\n    }\n\n    try {\n      const result = await operation();\n      this.onSuccess();\n      return result;\n    } catch (error) {\n      this.onFailure();\n      throw error;\n    }\n  }\n\n  private onSuccess() {\n    this.failures = 0;\n    this.state = \"closed\";\n  }\n\n  private onFailure() {\n    this.failures++;\n    this.lastFailure = new Date();\n\n    if (this.failures >= FAILURE_THRESHOLD) {\n      this.state = \"open\";\n    }\n  }\n\n  private shouldReset(): boolean {\n    return Date.now() - this.lastFailure!.getTime() > RESET_TIMEOUT;\n  }\n}\n```\n\n---\n\n# 5. Status Page & Incident Process\n\n## 5.1 Status Page\n\n**URL:** https://status.integratewise.com\n\n### Components Monitored\n\n| Component               | Description               |\n| ----------------------- | ------------------------- |\n| **Web Application**     | Dashboard, user interface |\n| **API**                 | REST API endpoints        |\n| **Integrations**        | Third-party connections   |\n| **Automations**         | Workflow engine           |\n| **Document Generation** | Render service            |\n\n### Status Levels\n\n| Status                   | Description               | Color     |\n| ------------------------ | ------------------------- | --------- |\n| **Operational**          | All systems normal        | 🟢 Green  |\n| **Degraded Performance** | Slower than normal        | 🟡 Yellow |\n| **Partial Outage**       | Some features unavailable | 🟠 Orange |\n| **Major Outage**         | Service unavailable       | 🔴 Red    |\n\n## 5.2 Incident Process\n\n```\n┌─────────────────────────────────────────────────────────────────────────────┐\n│                      INCIDENT MANAGEMENT PROCESS                             │\n└─────────────────────────────────────────────────────────────────────────────┘\n\n     DETECT                    RESPOND                    RESOLVE\n     ───────                   ───────                    ───────\n\n     ┌───────────────┐        ┌───────────────┐        ┌───────────────┐\n     │ Monitoring    │        │ Acknowledge   │        │ Implement     │\n     │ Alert Fires   │───────▶│ & Triage      │───────▶│ Fix           │\n     └───────────────┘        └───────────────┘        └───────────────┘\n            │                        │                        │\n            │                        │                        │\n            ▼                        ▼                        ▼\n     ┌───────────────┐        ┌───────────────┐        ┌───────────────┐\n     │ Auto-create   │        │ Update Status │        │ Update Status │\n     │ Incident      │        │ Page          │        │ Page          │\n     └───────────────┘        └───────────────┘        └───────────────┘\n            │                        │                        │\n            │                        │                        │\n            ▼                        ▼                        ▼\n     ┌───────────────┐        ┌───────────────┐        ┌───────────────┐\n     │ Notify        │        │ Communicate   │        │ Post-mortem   │\n     │ On-call       │        │ to Users      │        │ (within 48h)  │\n     └───────────────┘        └───────────────┘        └───────────────┘\n```\n\n## 5.3 Communication Templates\n\n### Investigating\n\n```\n[Investigating] Elevated API Error Rates\n\nWe are currently investigating elevated error rates on our API.\nSome requests may fail or time out.\n\nWe will provide an update within 30 minutes.\n\nPosted: 10:30 AM UTC\n```\n\n### Identified\n\n```\n[Identified] Elevated API Error Rates\n\nWe have identified the cause as a database connection issue.\nOur team is actively working on a fix.\n\nImpact: ~5% of API requests failing\nWorkaround: Retry failed requests\n\nNext update in 15 minutes.\n\nPosted: 10:45 AM UTC\n```\n\n### Resolved\n\n```\n[Resolved] Elevated API Error Rates\n\nThis incident has been resolved. Database connections have been\nrestored and all systems are operating normally.\n\nDuration: 45 minutes\nImpact: ~5% of API requests failed during the incident\n\nWe will publish a full post-mortem within 48 hours.\n\nPosted: 11:15 AM UTC\n```\n\n---\n\n# 6. SLAs\n\n## 6.1 Service Level Objectives\n\n| Metric                      | Target  | Measurement |\n| --------------------------- | ------- | ----------- |\n| **Availability**            | 99.9%   | Monthly     |\n| **API Response Time (p95)** | < 500ms | Monthly     |\n| **Sync Reliability**        | 99.5%   | Monthly     |\n| **Webhook Delivery**        | 99.9%   | Monthly     |\n\n## 6.2 SLA by Plan\n\n| Plan           | Availability SLA | Support Response | Credits   |\n| -------------- | ---------------- | ---------------- | --------- |\n| **Free**       | Best effort      | Community        | None      |\n| **Pro**        | 99.9%            | 24h business     | Up to 10% |\n| **Enterprise** | 99.95%           | 4h (24/7)        | Up to 25% |\n\n## 6.3 SLA Exclusions\n\nSLA does not apply to:\n\n- Scheduled maintenance (with 72h notice)\n- Customer-caused issues\n- Third-party service outages beyond our control\n- Beta/preview features\n- API abuse or exceeding rate limits\n\n## 6.4 Credit Calculation\n\n| Monthly Uptime | Credit (% of monthly fee) |\n| -------------- | ------------------------- |\n| 99.9% - 99.0%  | 10%                       |\n| 99.0% - 95.0%  | 25%                       |\n| < 95.0%        | 50%                       |\n\n---\n\n# 7. Performance Benchmarks\n\n## 7.1 API Performance\n\n| Endpoint               | p50  | p95   | p99   |\n| ---------------------- | ---- | ----- | ----- |\n| `GET /accounts` (list) | 45ms | 120ms | 250ms |\n| `GET /accounts/:id`    | 25ms | 80ms  | 150ms |\n| `POST /accounts`       | 50ms | 150ms | 300ms |\n| `PATCH /accounts/:id`  | 40ms | 120ms | 250ms |\n| `GET /health`          | 15ms | 40ms  | 100ms |\n| `GET /health/:id`      | 30ms | 90ms  | 180ms |\n| `POST /render`         | 2s   | 5s    | 10s   |\n\n## 7.2 Sync Performance\n\n| Integration       | Initial Sync | Incremental Sync |\n| ----------------- | ------------ | ---------------- |\n| **HubSpot**       | 2-10 min     | 1-2 min          |\n| **Slack**         | 1-5 min      | Real-time        |\n| **Gmail**         | 5-15 min     | 2-3 min          |\n| **Notion**        | 2-8 min      | 1-2 min          |\n| **Google Sheets** | 30s-2 min    | On-demand        |\n\n## 7.3 Database Performance\n\n| Query Type       | Target  | Alert   |\n| ---------------- | ------- | ------- |\n| Simple read      | < 10ms  | > 50ms  |\n| Complex join     | < 100ms | > 500ms |\n| Write            | < 50ms  | > 200ms |\n| Full-text search | < 200ms | > 1s    |\n| Vector search    | < 300ms | > 1s    |\n\n---\n\n# 8. Alerting\n\n## 8.1 Alert Channels\n\n| Severity        | Slack | Email | PagerDuty |\n| --------------- | ----- | ----- | --------- |\n| **P1 Critical** | ✅    | ✅    | ✅        |\n| **P2 High**     | ✅    | ✅    | ❌        |\n| **P3 Medium**   | ✅    | ❌    | ❌        |\n| **P4 Low**      | ✅    | ❌    | ❌        |\n\n## 8.2 Alert Conditions\n\n| Alert                          | Condition             | Severity |\n| ------------------------------ | --------------------- | -------- |\n| **Service Down**               | Health check fails 3x | P1       |\n| **High Error Rate**            | Error rate > 5%       | P1       |\n| **Elevated Error Rate**        | Error rate > 1%       | P2       |\n| **High Latency**               | p95 > 2s              | P2       |\n| **Elevated Latency**           | p95 > 1s              | P3       |\n| **Database Connection Issues** | Pool > 80%            | P2       |\n| **Sync Failures**              | Success rate < 90%    | P3       |\n| **Webhook Failures**           | Delivery rate < 95%   | P3       |\n| **Certificate Expiry**         | < 14 days             | P3       |\n\n## 8.3 On-Call Rotation\n\n| Role                 | Responsibility | Escalation   |\n| -------------------- | -------------- | ------------ |\n| **Primary**          | First response | 15 min       |\n| **Secondary**        | Backup         | After 15 min |\n| **Engineering Lead** | Escalation     | After 30 min |\n| **CTO**              | Executive      | P1 > 1 hour  |\n\n---\n\n**IntegrateWise Observability & Reliability Documentation**  \n_Version 1.0 — January 2026_\n\nFor questions: engineering@integratewise.com\n"}