> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/resilience-testing/3.0/readme.md).

# Resilience Testing

Harness Resilience Testing provides a comprehensive platform to build confidence in your system's reliability through three integrated testing approaches: Chaos Testing, Load Testing, and Disaster Recovery Testing. By proactively validating that your systems can withstand and recover from failures, performance degradation, and disasters, you can identify weaknesses before they impact your users and business.

![Resilience Testing onboarding illustration](/files/RKtcLXLyZB6zCMfrP8Is)

Go to the [Resilience Testing release notes](/release-notes/chaos-engineering.md) to review what shipped recently.

### Introduction

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Overview</strong></td><td>Learn about Harness Resilience Testing and the three pillars: Chaos, Load, and DR Testing.</td><td><a href="/pages/FB3UaeWAYsreZxHFxBzj">/pages/FB3UaeWAYsreZxHFxBzj</a></td></tr><tr><td><strong>Key Concepts</strong></td><td>Understand core resilience testing terminology and concepts.</td><td><a href="/pages/W3IBUfGylYIKGemzbTxC">/pages/W3IBUfGylYIKGemzbTxC</a></td></tr><tr><td><strong>Architecture</strong></td><td>Learn about the architecture of Harness Resilience Testing.</td><td><a href="/pages/mOfFtWwKnIAmjdANbOut">/pages/mOfFtWwKnIAmjdANbOut</a></td></tr></tbody></table>

### Chaos Testing

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Get Started</strong></td><td>Run your first chaos experiment in minutes with step-by-step guidance.</td><td><a href="/pages/Cl3K03Wk8BA8AYgnBeCc">/pages/Cl3K03Wk8BA8AYgnBeCc</a></td></tr><tr><td><strong>Create Experiments</strong></td><td>Build chaos experiments with faults, probes, and actions to test system resilience.</td><td><a href="/pages/gn9yNmefTD4CcWyT5oJV">/pages/gn9yNmefTD4CcWyT5oJV</a></td></tr><tr><td><strong>Chaos Faults</strong></td><td>Explore 200+ ready-to-use chaos faults for Kubernetes, AWS, Azure, GCP, and more.</td><td><a href="/spaces/lSkpbpeYJ3rfGUkIrcyQ/pages/fauplGMvtm8UqIuy9sK1">/spaces/lSkpbpeYJ3rfGUkIrcyQ/pages/fauplGMvtm8UqIuy9sK1</a></td></tr><tr><td><strong>Resilience Probes</strong></td><td>Validate system behavior and steady state during chaos experiments.</td><td><a href="/spaces/lSkpbpeYJ3rfGUkIrcyQ/pages/jpcEETERgLv0Xkrt5sRx">/spaces/lSkpbpeYJ3rfGUkIrcyQ/pages/jpcEETERgLv0Xkrt5sRx</a></td></tr><tr><td><strong>ChaosHub</strong></td><td>Centralized repository for chaos experiment templates and reusable faults.</td><td><a href="/pages/3boeYKPH8u34ZfxZaZoT">/pages/3boeYKPH8u34ZfxZaZoT</a></td></tr></tbody></table>

### Load Testing

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Get Started with Load Testing</strong></td><td>Simulate realistic user traffic to validate performance under expected and peak demand.</td><td><a href="/pages/RuOEkiAEvqsWrCLQ5ier">/pages/RuOEkiAEvqsWrCLQ5ier</a></td></tr></tbody></table>

### Disaster Recovery Testing

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Get Started with DR Testing</strong></td><td>Validate backup systems, failover mechanisms, and recovery procedures.</td><td><a href="/pages/RuOEkiAEvqsWrCLQ5ier">/pages/RuOEkiAEvqsWrCLQ5ier</a></td></tr></tbody></table>

### Shared Capabilities

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Governance &#x26; ChaosGuard</strong></td><td>Control who can run which tests, when, and where with enterprise governance.</td><td><a href="https://developer.harness.io/docs/resilience-testing/chaos-testing/governance/rbac">https://developer.harness.io/docs/resilience-testing/chaos-testing/governance/rbac</a></td></tr><tr><td><strong>CI/CD Integration</strong></td><td>Integrate resilience tests into your deployment pipelines.</td><td><a href="/pages/JXYbisiD7xLNTbdXtrdi">/pages/JXYbisiD7xLNTbdXtrdi</a></td></tr></tbody></table>