263 lines
11 KiB
HTML
263 lines
11 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta http-equiv="refresh" content="0; url=../index.html" />
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<title>System Monitor - Redirecting...</title>
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<link rel="stylesheet" href="styles.css" />
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</head>
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<body>
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<header>
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<h1>System Monitoring Platform</h1>
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<p class="subtitle">Architecture & Design Documentation</p>
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</header>
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<main>
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<section class="graph-section" id="overview">
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<div class="graph-header-row">
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<h2>System Overview</h2>
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<a href="graph.html?g=01-system-overview" class="view-btn"
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>View Full</a
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>
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</div>
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<a href="graph.html?g=01-system-overview" class="graph-preview">
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<img src="01-system-overview.svg" alt="System Overview" />
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</a>
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<div class="graph-details">
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<p>
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High-level architecture showing all services, data
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stores, and communication patterns.
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</p>
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<h4>Key Components</h4>
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<ul>
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<li>
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<strong>Collector</strong>: Runs on each monitored
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machine, streams metrics via gRPC
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</li>
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<li>
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<strong>Aggregator</strong>: Central gRPC server,
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receives streams, normalizes data
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</li>
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<li>
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<strong>Gateway</strong>: FastAPI service, WebSocket
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for browser, REST for queries
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</li>
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<li>
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<strong>Alerts</strong>: Subscribes to events,
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evaluates thresholds, triggers actions
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</li>
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</ul>
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</div>
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</section>
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<section class="graph-section" id="data-flow">
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<div class="graph-header-row">
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<h2>Data Flow Pipeline</h2>
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<a href="graph.html?g=02-data-flow" class="view-btn"
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>View Full</a
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>
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</div>
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<a href="graph.html?g=02-data-flow" class="graph-preview">
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<img src="02-data-flow.svg" alt="Data Flow" />
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</a>
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<div class="graph-details">
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<p>
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How metrics flow from collection through storage with
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different retention tiers.
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</p>
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<h4>Storage Tiers</h4>
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<table class="details-table">
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<thead>
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<tr>
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<th>Tier</th>
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<th>Resolution</th>
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<th>Retention</th>
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<th>Use Case</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>Hot (Redis)</td>
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<td>5s</td>
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<td>5 min</td>
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<td>Current state, live dashboard</td>
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</tr>
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<tr>
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<td>Raw (TimescaleDB)</td>
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<td>5s</td>
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<td>24h</td>
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<td>Recent detailed analysis</td>
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</tr>
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<tr>
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<td>1-min Aggregates</td>
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<td>1m</td>
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<td>7d</td>
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<td>Week view, trends</td>
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</tr>
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<tr>
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<td>1-hour Aggregates</td>
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<td>1h</td>
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<td>90d</td>
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<td>Long-term analysis</td>
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</tr>
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</tbody>
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</table>
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</div>
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</section>
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<section class="graph-section" id="deployment">
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<div class="graph-header-row">
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<h2>Deployment Architecture</h2>
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<a href="graph.html?g=03-deployment" class="view-btn"
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>View Full</a
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>
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</div>
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<a href="graph.html?g=03-deployment" class="graph-preview">
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<img src="03-deployment.svg" alt="Deployment" />
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</a>
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<div class="graph-details">
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<p>
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Deployment options from local development to AWS
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production.
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</p>
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<h4>Environments</h4>
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<ul>
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<li>
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<strong>Local Dev</strong>: Kind + Tilt for K8s, or
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Docker Compose
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</li>
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<li>
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<strong>Demo (EC2)</strong>: Docker Compose on
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t2.small at sysmonstm.mcrn.ar
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</li>
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<li>
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<strong>Lambda Pipeline</strong>: SQS-triggered
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aggregation for data processing experience
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</li>
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</ul>
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</div>
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</section>
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<section class="graph-section" id="grpc">
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<div class="graph-header-row">
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<h2>gRPC Service Definitions</h2>
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<a href="graph.html?g=04-grpc-services" class="view-btn"
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>View Full</a
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>
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</div>
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<a href="graph.html?g=04-grpc-services" class="graph-preview">
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<img src="04-grpc-services.svg" alt="gRPC Services" />
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</a>
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<div class="graph-details">
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<p>Protocol Buffer service and message definitions.</p>
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<h4>Services</h4>
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<ul>
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<li>
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<strong>MetricsService</strong>: Client-side
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streaming for metrics ingestion
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</li>
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<li>
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<strong>ControlService</strong>: Bidirectional
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streaming for collector control
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</li>
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<li>
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<strong>ConfigService</strong>: Server-side
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streaming for config updates
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</li>
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</ul>
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</div>
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</section>
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<section class="findings-section">
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<h2>Interview Talking Points</h2>
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<div class="findings-grid">
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<article class="finding-card">
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<h3>Domain Mapping</h3>
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<ul>
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<li>Machine = Payment Processor</li>
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<li>Metrics Stream = Transaction Stream</li>
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<li>Thresholds = Fraud Detection</li>
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<li>Aggregator = Payment Hub</li>
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</ul>
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</article>
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<article class="finding-card">
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<h3>gRPC Patterns</h3>
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<ul>
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<li>Client streaming (metrics)</li>
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<li>Server streaming (config)</li>
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<li>Bidirectional (control)</li>
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<li>Health checking</li>
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</ul>
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</article>
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<article class="finding-card">
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<h3>Event-Driven</h3>
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<ul>
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<li>Redis Pub/Sub (current)</li>
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<li>Abstraction for Kafka switch</li>
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<li>Decoupled alert processing</li>
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<li>Real-time WebSocket push</li>
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</ul>
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</article>
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<article class="finding-card">
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<h3>Resilience</h3>
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<ul>
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<li>Collectors are independent</li>
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<li>Graceful degradation</li>
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<li>Retry with backoff</li>
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<li>Health checks everywhere</li>
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</ul>
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</article>
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</div>
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</section>
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<section class="tech-section">
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<h2>Technology Stack</h2>
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<div class="tech-grid">
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<div class="tech-column">
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<h3>Core</h3>
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<ul>
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<li>Python 3.11+</li>
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<li>FastAPI</li>
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<li>gRPC / protobuf</li>
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<li>asyncio</li>
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</ul>
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</div>
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<div class="tech-column">
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<h3>Data</h3>
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<ul>
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<li>TimescaleDB</li>
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<li>Redis</li>
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<li>Redis Pub/Sub</li>
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</ul>
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</div>
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<div class="tech-column">
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<h3>Infrastructure</h3>
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<ul>
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<li>Docker</li>
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<li>Kubernetes</li>
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<li>Kind + Tilt</li>
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<li>Terraform</li>
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</ul>
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</div>
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<div class="tech-column">
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<h3>CI/CD</h3>
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<ul>
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<li>Woodpecker CI</li>
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<li>Kustomize</li>
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<li>Container Registry</li>
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</ul>
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</div>
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</div>
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</section>
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</main>
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<footer>
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<p>System Monitoring Platform - Architecture Documentation</p>
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<p class="date">
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Generated: <time datetime="2025-12-29">December 2025</time>
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</p>
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</footer>
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</body>
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</html>
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