Test Cloud Functions (2nd gen) reliability with Gremlin Failure Flags. Inject latency and errors into function code to validate graceful degradation.
Second-generation Cloud Functions run on Cloud Run, and that brings a change teams migrating from first generation often miss: a single instance now handles multiple concurrent requests. Requests that used to fail in isolation now fail in tandem: when one blocks on a slow dependency, it holds capacity that other requests on that instance need. A single stalled call can degrade every request sharing the same instance.
Gremlin helps you see how concurrency and failure interact in your own code. Deploy the Failure Flags sidecar with your function, then inject latency into a downstream call while traffic is flowing. Whether a stalled call takes down one request or all of them is a meaningful difference, and Gremlin helps you identify the risk so you can address it pre-emptively
Dependencies: Failure Test
Simulate a failed dependency by dropping all network traffic to the dependency.
Dependencies: Latency Test
Recreate poor network conditions by delaying all network traffic to a dependency by 100ms.
Unreliable Networks - Dependencies
Simulate unreliable network conditions when communicating with dependencies by adding latency to API calls. Test whether your users are affected when dependency response times degrade.
* Failure Flags works wherever you can add the SDK to your application and run the Gremlin sidecar. Not every language and platform combination has been individually tested, and not all are officially supported. Check our compatibility documentation for what's verified, or get in touch if you don't see your runtime.
Intelligent Health Checks - GCP
Automatically monitor your Google Cloud services during testing in one-click with Intelligent Health Checks.
Avoid downtime. Use Gremlin to turn failure into resilience.
Gremlin empowers you to proactively root out failure before it causes downtime. See how you can harness chaos to build resilient systems by requesting a demo of Gremlin.
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