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<!DOCTYPE html>
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<title>🚀 Blockchain Node QPS Benchmark Report: Performance Analysis and Bottlenecks</title>
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<body>
<div class="container">
<h1>Blockchain Node QPS Benchmark Report: Performance Analysis and Bottlenecks</h1>
<p>Generated Time: 2025-10-31 16:49:06</p>
<p>Unified Field Naming | Complete Device Support | Monitoring Overhead Analysis | Blockchain Node Specific Analysis | Bottleneck Detection Analysis</p>
<div class="section" style="border-left: 5px solid #28a745; background-color: #FEF5E7;">
<h2 style="color: #28a745;">🚨 System-Level Bottleneck Analysis</h2>
<div style="background: #fff3cd; border: 1px solid #28a745; padding: 15px; border-radius: 4px; margin: 15px 0;">
<h3 style="color: #28a745; margin-top: 0;">⚠ System-Level Performance Bottleneck Detected</h3>
</div>
<div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin: 20px 0;">
<div style="background: white; padding: 15px; border-radius: 4px; border: 1px solid #ddd;">
<h4 style="margin: 0 0 10px 0; color: #666;">🏆 Max Successful QPS</h4>
<div style="color: #28a745; font-size: 2em; font-weight: bold;">67500</div>
</div>
<div style="background: white; padding: 15px; border-radius: 4px; border: 1px solid #ddd;">
<h4 style="margin: 0 0 10px 0; color: #666;">🚨 Bottleneck Trigger QPS</h4>
<div style="color: #dc3545; font-size: 2em; font-weight: bold;">70000</div>
</div>
<div style="background: white; padding: 15px; border-radius: 4px; border: 1px solid #ddd;">
<h4 style="margin: 0 0 10px 0; color: #666;">📉 Performance Drop</h4>
<div style="color: #dc3545; font-size: 2em; font-weight: bold;">3.7%</div>
</div>
</div>
<div style="background: white; padding: 15px; border-radius: 4px; margin: 15px 0;">
<h3>🔍 Bottleneck Details</h3>
<p><strong>Detection Time:</strong> 2025-10-30T19:42:58+00:00</p>
<p><strong>Severity Level:</strong> <span style="color: #28a745; font-weight: bold;">LOW</span></p>
<p><strong>Bottleneck Reason:</strong> </p>
<p><strong>Consecutive Detections:</strong> 3</p>
</div>
<div style="background: #e7f3ff; border: 1px solid #b3d9ff; padding: 15px; border-radius: 4px; margin: 15px 0;">
<h3 style="margin-top: 0;">📋 System-Level Bottleneck Criteria</h3>
<p><strong>Framework uses 5-scenario logic with dual verification mechanism:</strong></p>
<ol style="margin: 10px 0; padding-left: 20px;">
<li><strong>Detection Dimensions (8 metrics):</strong><br> • Resource Metrics: CPU>85%, Memory>90%, EBS AWS Standard IOPS/Throughput>90%, Network>80%<br> • <strong>RPC Performance (Mandatory Conditions):</strong> Success Rate<95% OR P99 Latency>1000ms<br> • RPC Errors: Error Rate>5%, Connection Failures</li>
<li><strong>5-Scenario Decision Logic:</strong><br> • <strong>Scenario A-Resource:</strong> Resource exceeded + Node healthy → False positive → Reset counter → Continue<br> • <strong>Scenario A-RPC:</strong> RPC performance violated (mandatory) → True bottleneck → Accumulate count → 3 consecutive → Stop<br> • <strong>Scenario B:</strong> Any bottleneck + Node unhealthy → True bottleneck → Accumulate count → 3 consecutive → Stop<br> • <strong>Scenario C:</strong> No bottleneck + Node persistently unhealthy → Node failure → Stop immediately<br> • <strong>Scenario D:</strong> All normal + Node healthy → Continue testing</li>
<li><strong>Node Health Verification:</strong><br> • Criteria: Block height diff > 50 AND duration > 300s<br> • Purpose: Distinguish false positives (Scenario A-Resource) from true bottlenecks (Scenario B)<br> • <strong>Key Note:</strong> RPC performance violations are mandatory conditions and do NOT require node health verification</li>
</ol>
</div>
</div>
<div class="section">
<h2>📊 Performance Summary</h2>
<table style="width: 100%; border-collapse: collapse; margin-top: 15px; background: white;">
<thead>
<tr>
<th style="background: #2C3E50; color: white; padding: 12px; text-align: left;">Metric</th>
<th style="background: #2C3E50; color: white; padding: 12px; text-align: right;">Value</th>
</tr>
</thead>
<tbody>
<tr><td style="padding: 10px; border: 1px solid #ddd;">Average CPU Usage</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">55.7%</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">Peak CPU Usage</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">100.0%</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">Average Memory Usage</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">61.3%</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">DATA Device Avg IOPS</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">7883</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">ACCOUNTS Device Avg IOPS</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">183</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">Monitoring Data Points</td><td style="padding: 10px; border: 1px solid #ddd; text-align: right; font-weight: bold;">1,061</td></tr>
</tbody>
</table>
</div>
<div class="section">
<h2>⚙ Configuration Status Check</h2>
<table style="width: 100%; border-collapse: collapse; margin-top: 15px; background: white;">
<thead>
<tr>
<th style="background: #34495E; color: white; padding: 12px;">Configuration Item</th>
<th style="background: #34495E; color: white; padding: 12px;">Status</th>
<th style="background: #34495E; color: white; padding: 12px;">Value</th>
</tr>
</thead>
<tbody>
<tr><td style="padding: 10px; border: 1px solid #ddd;">Blockchain Node Type</td><td style="padding: 10px; border: 1px solid #ddd;">✅ Configured</td><td style="padding: 10px; border: 1px solid #ddd;">General</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">DATA Device</td><td style="padding: 10px; border: 1px solid #ddd;">❌ Not Configured</td><td style="padding: 10px; border: 1px solid #ddd;">N/A</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">ACCOUNTS Device</td><td style="padding: 10px; border: 1px solid #ddd;">⚠️ Not Configured</td><td style="padding: 10px; border: 1px solid #ddd;">N/A</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">DATA Volume Type</td><td style="padding: 10px; border: 1px solid #ddd;">⚠ Not Configured</td><td style="padding: 10px; border: 1px solid #ddd;">N/A</td></tr>
<tr><td style="padding: 10px; border: 1px solid #ddd;">ACCOUNTS Volume Type</td><td style="padding: 10px; border: 1px solid #ddd;">⚠ Not Configured</td><td style="padding: 10px; border: 1px solid #ddd;">N/A</td></tr>
</tbody>
</table>
<div class="warning"><strong>Note:</strong> ACCOUNTS Device not configured, only monitoring DATA Device performance. Recommend configuring ACCOUNTS_DEVICE for complete storage performance analysis.</div>
</div>
<div class="section">
<h2>🔗 Blockchain Node Sync Analysis</h2>
<div class="info-card">
<h3>📊 Block Height Sync Time Series</h3>
<div class="chart-container">
<img src="block_height_sync_chart.png" alt="Block Height Sync Status" class="chart-image">
</div>
<div class="chart-info">
<p>This chart shows the block height difference between local node and mainnet during testing:</p>
<ul>
<li><strong>Blue Curve</strong>: Block height difference (Mainnet - Local)</li>
<li><strong>Red Dashed Line</strong>: Anomaly threshold (±50 blocks)</li>
<li><strong>Red Area</strong>: Time periods with detected data loss</li>
<li><strong>Statistics Info</strong>: Sync quality statistics displayed in top left corner</li>
</ul>
</div>
</div>
<div style="margin: 20px 0;">
<h3>📊 Block Height Data Comparison</h3>
<table style="width: 100%; border-collapse: collapse; margin-top: 15px; background: white;">
<thead>
<tr>
<th style="background: #16A085; color: white; padding: 12px; border: 1px solid #ddd;">Metric</th>
<th style="background: #16A085; color: white; padding: 12px; border: 1px solid #ddd;">Local Block Height</th>
<th style="background: #16A085; color: white; padding: 12px; border: 1px solid #ddd;">Mainnet Block Height</th>
<th style="background: #16A085; color: white; padding: 12px; border: 1px solid #ddd;">Block Height Diff</th>
</tr>
</thead>
<tbody>
<tr>
<td style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">Current</td>
<td style="padding: 10px; border: 1px solid #ddd;">355012880</td>
<td style="padding: 10px; border: 1px solid #ddd;">355014400</td>
<td style="padding: 10px; border: 1px solid #ddd;">1</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">Average</td>
<td style="padding: 10px; border: 1px solid #ddd;">355000684</td>
<td style="padding: 10px; border: 1px solid #ddd;">355002089</td>
<td style="padding: 10px; border: 1px solid #ddd;">0</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">Min</td>
<td style="padding: 10px; border: 1px solid #ddd;">354992611</td>
<td style="padding: 10px; border: 1px solid #ddd;">354992612</td>
<td style="padding: 10px; border: 1px solid #ddd;">0</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">Max</td>
<td style="padding: 10px; border: 1px solid #ddd;">355012880</td>
<td style="padding: 10px; border: 1px solid #ddd;">355014400</td>
<td style="padding: 10px; border: 1px solid #ddd;">3</td>
</tr>
</tbody>
</table>
</div>
<div class="warning">
<h3>⚠️ Data Loss Statistics</h3>
<p>data_loss_stats.json file not found. Possible reasons:</p>
<ul>
<li>No data loss events detected during testing</li>
<li>Stats file not properly archived</li>
<li>block_height_monitor.sh not running properly</li>
</ul>
</div>
</div>
<div class="section">
<h2>📊 EBS Performance Analysis Results</h2>
<div class="subsection">
<h3>⚠ Performance Warnings</h3>
<div style="background: #fff3cd; border: 1px solid #ffc107; border-radius: 4px; padding: 15px; margin: 15px 0;">
<h4 style="margin-top: 0; color: #856404;">📊 Warning Statistics</h4>
<table style="width: 100%; border-collapse: collapse;">
<thead>
<tr style="background: #ffc107;">
<th style="padding: 8px; border: 1px solid #ddd;">Device</th>
<th style="padding: 8px; border: 1px solid #ddd;">Type</th>
<th style="padding: 8px; border: 1px solid #ddd;">Count</th>
<th style="padding: 8px; border: 1px solid #ddd;">Max Value</th>
<th style="padding: 8px; border: 1px solid #ddd;">Time Range</th>
</tr>
</thead>
<tbody>
<tr>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center;"><strong style="color: #dc3545;">6</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;">28059.00</td>
<td style="padding: 8px; border: 1px solid #ddd; font-size: 0.9em;">17:54:35 - 19:42:58</td>
</tr>
</tbody>
</table>
<p style="margin: 10px 0 0 0; font-size: 0.9em; color: #856404;">
📊 💡 Tip: View warning time distribution in "EBS Professional Charts" section below → Click "EBS Bottleneck Analysis" and "EBS Time Series Analysis" charts
</p>
</div>
<h4>Detailed Warnings (All / 6)</h4>
<table style="width: 100%; border-collapse: collapse; margin: 15px 0; background: white;">
<thead>
<tr style="background: #f8f9fa;">
<th style="padding: 10px; border: 1px solid #ddd; text-align: left;">#</th>
<th style="padding: 10px; border: 1px solid #ddd; text-align: left;">Device</th>
<th style="padding: 10px; border: 1px solid #ddd; text-align: left;">Type</th>
<th style="padding: 10px; border: 1px solid #ddd; text-align: right;">Value</th>
<th style="padding: 10px; border: 1px solid #ddd; text-align: center;">Time</th>
</tr>
</thead>
<tbody>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">1</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>27331.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">17:54:35</td>
</tr>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">2</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>27044.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">17:54:41</td>
</tr>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">3</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>27153.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">18:03:04</td>
</tr>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">4</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>28059.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">18:51:22</td>
</tr>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">5</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>27738.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">19:17:38</td>
</tr>
<tr style="border-bottom: 1px solid #eee;">
<td style="padding: 8px; border: 1px solid #ddd; color: #999;">6</td>
<td style="padding: 8px; border: 1px solid #ddd;"><strong>nvme2n1</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; color: #fd7e14;">High IOPS</td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: right;"><strong>27166.00</strong></td>
<td style="padding: 8px; border: 1px solid #ddd; text-align: center; font-size: 0.9em;">19:42:58</td>
</tr>
</tbody></table></div>
<div class="subsection">
<h3>📈 AWS EBS Baseline Performance Statistics</h3>
<table style="width: 100%; border-collapse: collapse; margin-top: 15px; background: white;">
<thead>
<tr>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Device</th>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Metric</th>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Baseline (Config)</th>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Min</th>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Avg</th>
<th style="background: #E67E22; color: white; padding: 12px; border: 1px solid #ddd;">Max</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="2" style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">DATA Device</td>
<td style="padding: 10px; border: 1px solid #ddd;">IOPS</td>
<td style="padding: 10px; border: 1px solid #ddd;">N/A</td>
<td style="padding: 10px; border: 1px solid #ddd;">10</td>
<td style="padding: 10px; border: 1px solid #ddd;">7883</td>
<td style="padding: 10px; border: 1px solid #ddd;">28059</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Throughput (MiB/s)</td>
<td style="padding: 10px; border: 1px solid #ddd;">N/A</td>
<td style="padding: 10px; border: 1px solid #ddd;">2.1</td>
<td style="padding: 10px; border: 1px solid #ddd;">259.8</td>
<td style="padding: 10px; border: 1px solid #ddd;">3089.4</td>
</tr>
<tr>
<td rowspan="2" style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">ACCOUNTS Device</td>
<td style="padding: 10px; border: 1px solid #ddd;">IOPS</td>
<td style="padding: 10px; border: 1px solid #ddd;">N/A</td>
<td style="padding: 10px; border: 1px solid #ddd;">10</td>
<td style="padding: 10px; border: 1px solid #ddd;">183</td>
<td style="padding: 10px; border: 1px solid #ddd;">10203</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Throughput (MiB/s)</td>
<td style="padding: 10px; border: 1px solid #ddd;">N/A</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.0</td>
<td style="padding: 10px; border: 1px solid #ddd;">6.6</td>
<td style="padding: 10px; border: 1px solid #ddd;">1222.2</td>
</tr>
</tbody>
</table>
</div>
<div class="subsection">
<h3>📈 iostat Raw Sampling Data Statistics</h3>
<table style="width: 100%; border-collapse: collapse; margin-top: 15px; background: white;">
<thead>
<tr>
<th style="background: #D35400; color: white; padding: 12px; border: 1px solid #ddd;">Device</th>
<th style="background: #D35400; color: white; padding: 12px; border: 1px solid #ddd;">Metric</th>
<th style="background: #D35400; color: white; padding: 12px; border: 1px solid #ddd;">Min</th>
<th style="background: #D35400; color: white; padding: 12px; border: 1px solid #ddd;">Avg</th>
<th style="background: #D35400; color: white; padding: 12px; border: 1px solid #ddd;">Max</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="4" style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">DATA Device</td>
<td style="padding: 10px; border: 1px solid #ddd;">IOPS</td>
<td style="padding: 10px; border: 1px solid #ddd;">10</td>
<td style="padding: 10px; border: 1px solid #ddd;">7883</td>
<td style="padding: 10px; border: 1px solid #ddd;">28059</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Throughput (MiB/s)</td>
<td style="padding: 10px; border: 1px solid #ddd;">2.1</td>
<td style="padding: 10px; border: 1px solid #ddd;">259.8</td>
<td style="padding: 10px; border: 1px solid #ddd;">3089.4</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Utilization (%)</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.0</td>
<td style="padding: 10px; border: 1px solid #ddd;">53.8</td>
<td style="padding: 10px; border: 1px solid #ddd;">100.5</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Latency (ms)</td>
<td style="padding: 10px; border: 1px solid #ddd;">0.10</td>
<td style="padding: 10px; border: 1px solid #ddd;">0.64</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.25</td>
</tr>
<tr>
<td rowspan="4" style="padding: 10px; border: 1px solid #ddd; font-weight: bold;">ACCOUNTS Device</td>
<td style="padding: 10px; border: 1px solid #ddd;">IOPS</td>
<td style="padding: 10px; border: 1px solid #ddd;">10</td>
<td style="padding: 10px; border: 1px solid #ddd;">183</td>
<td style="padding: 10px; border: 1px solid #ddd;">10203</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Throughput (MiB/s)</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.0</td>
<td style="padding: 10px; border: 1px solid #ddd;">6.6</td>
<td style="padding: 10px; border: 1px solid #ddd;">1222.2</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Utilization (%)</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.0</td>
<td style="padding: 10px; border: 1px solid #ddd;">3.0</td>
<td style="padding: 10px; border: 1px solid #ddd;">96.7</td>
</tr>
<tr>
<td style="padding: 10px; border: 1px solid #ddd;">Latency (ms)</td>
<td style="padding: 10px; border: 1px solid #ddd;">0.17</td>
<td style="padding: 10px; border: 1px solid #ddd;">0.23</td>
<td style="padding: 10px; border: 1px solid #ddd;">1.03</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section">
<h2>📊 Performance Chart Gallery</h2>
<div class="chart-summary">
<p><strong>Total Charts Generated:</strong> 32</p>
</div>
<div class="chart-category">
<h3 style="color: #2C3E50;">📈 Advanced Analysis Charts (7 charts)</h3>
<div class="chart-grid">
<div class="chart-item">
<h4>Comprehensive Correlation Matrix</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Comprehensive correlation matrix heatmap of all monitoring metrics</p>
<div class="chart-container">
<img src="comprehensive_correlation_matrix.png" alt="Comprehensive Correlation Matrix" class="chart">
</div>
</div>
<div class="chart-item">
<h4>CPU-EBS Correlation Visualization</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Correlation analysis between CPU Usage and EBS performance metrics to help identify I/O bottlenecks</p>
<div class="chart-container">
<img src="cpu_ebs_correlation_visualization.png" alt="CPU-EBS Correlation Visualization" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS Bottleneck Correlation Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">EBS bottleneck correlation analysis showing relationships between AWS standard perspective and iostat perspective</p>
<div class="chart-container">
<img src="ebs_bottleneck_correlation.png" alt="EBS Bottleneck Correlation Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Linear Regression Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Linear regression analysis of key metrics to predict performance trends and relationships</p>
<div class="chart-container">
<img src="linear_regression_analysis.png" alt="Linear Regression Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Negative Correlation Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Negative correlation metric analysis to identify performance trade-off relationships</p>
<div class="chart-container">
<img src="negative_correlation_analysis.png" alt="Negative Correlation Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Pearson Correlation Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Pearson correlation analysis between CPU and EBS metrics quantifying linear relationships between metrics</p>
<div class="chart-container">
<img src="pearson_correlation_analysis.png" alt="Pearson Correlation Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Performance Correlation Heatmap</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Heatmap display of performance metric correlations intuitively showing relationship strength between metrics</p>
<div class="chart-container">
<img src="performance_correlation_heatmap.png" alt="Performance Correlation Heatmap" class="chart">
</div>
</div>
</div>
</div>
<div class="chart-category">
<h3 style="color: #2C3E50;">📈 EBS Professional Charts (7 charts)</h3>
<div class="chart-grid">
<div class="chart-item">
<h4>Bottleneck Identification</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Automatic bottleneck identification results marking performance bottleneck points and influencing factors</p>
<div class="chart-container">
<img src="bottleneck_identification.png" alt="Bottleneck Identification" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS AWS Capacity Planning Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">AWS EBS capacity planning analysis including IOPS and throughput utilization prediction supporting capacity planning decisions</p>
<div class="chart-container">
<img src="ebs_aws_capacity_planning.png" alt="EBS AWS Capacity Planning Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS AWS Standard Comparison</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">AWS standard values vs raw iostat data comparison analysis evaluating performance standardization level</p>
<div class="chart-container">
<img src="ebs_aws_standard_comparison.png" alt="EBS AWS Standard Comparison" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS Bottleneck Detection Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">EBS bottleneck detection analysis automatically identifying IOPS, throughput and latency bottleneck points</p>
<div class="chart-container">
<img src="ebs_bottleneck_analysis.png" alt="EBS Bottleneck Detection Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS iostat Performance Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">EBS device iostat performance analysis including read/write separation, latency analysis and queue depth monitoring</p>
<div class="chart-container">
<img src="ebs_iostat_performance.png" alt="EBS iostat Performance Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS Performance Overview</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">EBS comprehensive performance overview including AWS standard IOPS, throughput vs baseline comparison</p>
<div class="chart-container">
<img src="ebs_performance_overview.png" alt="EBS Performance Overview" class="chart">
</div>
</div>
<div class="chart-item">
<h4>EBS Time Series Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">EBS performance time series analysis showing multi-metric time dimension change trends</p>
<div class="chart-container">
<img src="ebs_time_series_analysis.png" alt="EBS Time Series Analysis" class="chart">
</div>
</div>
</div>
</div>
<div class="chart-category">
<h3 style="color: #2C3E50;">📈 Core Performance Charts (10 charts)</h3>
<div class="chart-grid">
<div class="chart-item">
<h4>Await Time Threshold Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">I/O wait time threshold analysis to identify storage performance bottlenecks</p>
<div class="chart-container">
<img src="await_threshold_analysis.png" alt="Await Time Threshold Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Device Performance Comparison</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Performance comparison analysis between DATA Device and ACCOUNTS Device</p>
<div class="chart-container">
<img src="device_performance_comparison.png" alt="Device Performance Comparison" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Performance Cliff Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Performance cliff detection and analysis identifying causes of sharp performance drops</p>
<div class="chart-container">
<img src="performance_cliff_analysis.png" alt="Performance Cliff Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Performance Overview</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">System overall performance overview, including time series display of key metrics such as CPU, Memory, EBS</p>
<div class="chart-container">
<img src="performance_overview.png" alt="Performance Overview" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Performance Trend Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Long-term performance trend analysis to identify performance change patterns</p>
<div class="chart-container">
<img src="performance_trend_analysis.png" alt="Performance Trend Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>QPS Performance Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Specialized QPS performance analysis charts deeply analyzing QPS performance characteristics</p>
<div class="chart-container">
<img src="qps_performance_analysis.png" alt="QPS Performance Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>QPS Trend Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Detailed QPS performance trend analysis showing QPS changes during testing</p>
<div class="chart-container">
<img src="qps_trend_analysis.png" alt="QPS Trend Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Resource Efficiency Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Efficiency analysis of QPS vs resource consumption to evaluate resource cost per QPS</p>
<div class="chart-container">
<img src="resource_efficiency_analysis.png" alt="Resource Efficiency Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Smoothed Trend Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Smoothed trend analysis of performance metrics showing performance change trends after noise elimination</p>
<div class="chart-container">
<img src="smoothed_trend_analysis.png" alt="Smoothed Trend Analysis" class="chart">
</div>
</div>
<div class="chart-item">
<h4>Utilization Threshold Analysis</h4>
<p style="color: #666; font-size: 0.9em; margin: 8px 0;">Device Utilization threshold analysis to evaluate resource usage efficiency</p>
<div class="chart-container">
<img src="util_threshold_analysis.png" alt="Utilization Threshold Analysis" class="chart">
</div>
</div>