Test how your application handles a Data Lake Storage outage. Run Gremlin network experiments and reliability tests to validate pipeline resilience.
Analytics pipelines built on Azure Data Lake Storage assume the storage layer is always there, right up until a batch job fails partway through and nobody is sure how much of the output is complete.
That ambiguity is worse than a clean failure, because it can't be resolved by re-running. Downstream consumers rarely account for it either: a job that reads whatever files exist will happily process a partial dataset and produce results that look finished. Nothing errors. The numbers are just wrong, and they stay wrong until someone notices they don't reconcile against something else.
Gremlin lets you interrupt a pipeline on purpose. A blackhole experiment against the storage endpoint cuts access mid-job so you can see whether your jobs fail atomically or leave partial state behind. A latency experiment slows large reads to find the operations with no timeout at all.
For anything feeding reporting or machine learning, silently incomplete input is the failure that costs the most to discover late.
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.
* Testing a dependency doesn't require installing anything on it. Gremlin runs the experiment from the service that calls it, so compatibility depends on that host rather than on the dependency itself. Check our compatibility documentation for supported operating systems and platforms, or get in touch if you don't see yours.
Intelligent Health Checks - Azure
Automatically monitor your Azure 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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