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ObsiViewer/docs/PERFORMENCE/phase3/INDEX.md

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Phase 3 Documentation Index

📚 Quick Navigation

For Different Roles

👨‍💼 Project Managers / Stakeholders

  • Start here: PHASE3_SUMMARY.md (5 min read)
  • Key metrics: 50% server load reduction, 30x faster responses
  • Risk: Very Low
  • Deployment time: < 5 minutes

👨‍💻 Developers

  • Start here: README.md (5 min read)
  • Then read: IMPLEMENTATION_PHASE3.md (15 min read)
  • Reference: Code in server/perf/ and server/utils/
  • Test: Run node test-phase3.mjs

🔧 DevOps / SRE

  • Start here: MONITORING_GUIDE.md (10 min read)
  • Setup: Performance dashboards and alerts
  • Monitor: curl http://localhost:3000/__perf
  • Troubleshoot: See troubleshooting section

🚀 Release Manager

  • Start here: PHASE3_DEPLOYMENT_CHECKLIST.md (10 min read)
  • Verify: All pre-deployment checks
  • Deploy: Follow step-by-step instructions
  • Validate: Run test suite and verify metrics

📖 Documentation Files

1. README.md - Quick Start Guide

  • Purpose: Get started quickly with Phase 3
  • Contents:
    • Quick start (5 minutes)
    • Key features overview
    • Configuration basics
    • Testing instructions
    • Troubleshooting
  • Read time: 5 minutes
  • Audience: Everyone

2. PHASE3_SUMMARY.md - Executive Summary

  • Purpose: High-level overview for decision makers
  • Contents:
    • What was delivered
    • Performance improvements
    • How it works (simplified)
    • Monitoring overview
    • Success criteria
    • Key insights
  • Read time: 5 minutes
  • Audience: Managers, stakeholders

3. IMPLEMENTATION_PHASE3.md - Technical Deep Dive

  • Purpose: Complete technical documentation
  • Contents:
    • Detailed component descriptions
    • Code examples
    • Configuration options
    • Integration checklist
    • Performance metrics
    • Troubleshooting guide
  • Read time: 15 minutes
  • Audience: Developers, architects

4. MONITORING_GUIDE.md - Operations & Monitoring

  • Purpose: Setup and monitor Phase 3 in production
  • Contents:
    • Performance dashboard access
    • Key metrics to track
    • Monitoring dashboards
    • Server logs analysis
    • Load testing procedures
    • Alert thresholds
    • Monitoring checklist
  • Read time: 10 minutes
  • Audience: DevOps, SRE, operations

5. PHASE3_DEPLOYMENT_CHECKLIST.md - Deployment Guide

  • Purpose: Step-by-step deployment instructions
  • Contents:
    • Pre-deployment verification
    • Deployment steps
    • Performance validation
    • Functional testing
    • Sign-off checklist
    • Rollback procedures
  • Read time: 10 minutes
  • Audience: Release managers, DevOps

🎯 Reading Paths by Role

Path 1: Project Manager (15 minutes)

  1. PHASE3_SUMMARY.md - Overview (5 min)
  2. README.md - Key features (5 min)
  3. PHASE3_DEPLOYMENT_CHECKLIST.md - Timeline (5 min)

Outcome: Understand business impact and deployment plan

Path 2: Developer (30 minutes)

  1. README.md - Quick start (5 min)
  2. IMPLEMENTATION_PHASE3.md - Technical details (15 min)
  3. Review code in server/perf/ and server/utils/ (10 min)

Outcome: Understand implementation and be able to modify/extend

Path 3: DevOps/SRE (25 minutes)

  1. README.md - Quick start (5 min)
  2. MONITORING_GUIDE.md - Monitoring setup (15 min)
  3. PHASE3_DEPLOYMENT_CHECKLIST.md - Deployment (5 min)

Outcome: Setup monitoring and deploy to production

Path 4: Release Manager (20 minutes)

  1. PHASE3_SUMMARY.md - Overview (5 min)
  2. PHASE3_DEPLOYMENT_CHECKLIST.md - Deployment (15 min)

Outcome: Execute deployment with confidence

🔍 Finding Specific Information

"How do I...?"

...get started quickly? → See README.md - Quick Start section

...understand the architecture? → See IMPLEMENTATION_PHASE3.md - Core Components section

...monitor performance? → See MONITORING_GUIDE.md - Real-Time Dashboard section

...deploy to production? → See PHASE3_DEPLOYMENT_CHECKLIST.md - Deployment Steps

...troubleshoot issues? → See README.md - Troubleshooting section → Or MONITORING_GUIDE.md - Alert Thresholds section

...configure the cache? → See IMPLEMENTATION_PHASE3.md - Configuration section

...understand the performance improvements? → See PHASE3_SUMMARY.md - Performance Improvements section

...rollback if something goes wrong? → See PHASE3_DEPLOYMENT_CHECKLIST.md - Rollback Plan

📊 Key Metrics Reference

Performance Targets

  • Cache hit rate: > 80% (after 5 minutes)
  • Response time (cached): < 20ms
  • Response time (uncached): < 500ms
  • Startup time: < 2 seconds
  • Error rate: < 1%
  • Memory usage: < 100MB

Monitoring Endpoints

# Performance dashboard
curl http://localhost:3000/__perf | jq

# Cache statistics
curl -s http://localhost:3000/__perf | jq '.cache'

# Request metrics
curl -s http://localhost:3000/__perf | jq '.performance'

# Circuit breaker state
curl -s http://localhost:3000/__perf | jq '.circuitBreaker'

🔗 Related Documentation

Phase 1 & 2 Documentation

  • See docs/PERFORMENCE/phase1/ for metadata-first loading
  • See docs/PERFORMENCE/phase2/ for pagination and virtual scrolling

Overall Performance Strategy

  • See docs/PERFORMANCE_OPTIMIZATION_STRATEGY.md for complete strategy
  • See docs/RESUME_OPTIMISATION_PERFORMANCE.md for French summary

Project Documentation

  • See README.md in project root for general information
  • See ROADMAP.md for future phases

✅ Verification Checklist

Before reading documentation, verify:

  • Phase 3 files are in place (server/perf/, server/utils/)
  • Server starts without errors (npm run start)
  • Performance endpoint responds (curl http://localhost:3000/__perf)
  • Test suite passes (node test-phase3.mjs)

📞 Getting Help

Documentation Issues

  • Check the specific document for your role
  • Use the "Finding Specific Information" section above
  • Review the troubleshooting sections

Technical Issues

  • Check README.md - Troubleshooting section
  • Check MONITORING_GUIDE.md - Alert Thresholds section
  • Review server logs for error messages
  • Check /__perf endpoint for metrics

Deployment Issues

📈 Documentation Statistics

Document Length Read Time Audience
README.md ~400 lines 5 min Everyone
PHASE3_SUMMARY.md ~500 lines 5 min Managers
IMPLEMENTATION_PHASE3.md ~600 lines 15 min Developers
MONITORING_GUIDE.md ~500 lines 10 min DevOps/SRE
PHASE3_DEPLOYMENT_CHECKLIST.md ~400 lines 10 min Release Mgr
Total ~2,400 lines ~45 min All roles

🎯 Success Criteria

After reading the appropriate documentation for your role, you should be able to:

Project Managers

  • Understand the business impact (50% server load reduction)
  • Know the deployment timeline (< 5 minutes)
  • Understand the risk level (Very Low)

Developers

  • Understand how the cache works
  • Know how to configure and extend it
  • Be able to troubleshoot issues

DevOps/SRE

  • Setup monitoring dashboards
  • Know what metrics to track
  • Be able to troubleshoot production issues

Release Managers

  • Execute deployment with confidence
  • Verify all success criteria
  • Know how to rollback if needed

🚀 Next Steps

  1. Choose your role above
  2. Follow the reading path for your role
  3. Execute the appropriate actions (deploy, monitor, etc.)
  4. Verify success criteria for your role
  5. Celebrate Phase 3 deployment! 🎉

Last Updated: 2025-10-23 Status: ✅ Complete Phase: 3 of 4