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Maximizing your reliability on AWS

Jan 13, 2025 By Andre Newman In Gremlin
Cloud providers like AWS excel at creating reliable platforms for developers to build on. But while the platforms may be rock-solid, this doesn’t guarantee your applications will be too. It’s the provider’s job to offer stable infrastructure, but you’re still on the hook for making your workloads resilient, recoverable, and fault-tolerant. There’s only one problem: cloud platforms are essentially black boxes.
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gremlin

Manage your reliability work more easily with Gremlin's newest features

Jan 6, 2025 By Andre Newman In Gremlin
Reliability testing is ongoing work, and tracking that work can be difficult in large organizations. Engineers run one-off experiments, scheduled Scenarios run in the background, and, for more mature teams, CI/CD workflows fire off automated tests on demand. According to our own product metrics, teams run an average of 200 to 500 tests each day! With so much happening, it’s hard to keep track of everything going on in Gremlin—until now.
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Gremlin's 2024 year-end Release Roundup

Dec 18, 2024 By Andre Newman In Gremlin
It’s been a busy year at Gremlin! We released two new experiments, added an entirely new onboarding process and features for AWS users, added a brand new Test Suite and Detected Risks, and made many UI improvements to our web app. We beefed up our agents with more enterprise capabilities, including support for large Kubernetes clusters and systems with over 64 CPUs, improved experiment behaviors, improved dependency detection, and per-team Private Network Integrations.
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Release Roundup November 2024: Reliability in the serverless and AI era

Dec 4, 2024 By Andre Newman In Gremlin
2024 is coming to a close, and while many teams are slowing down in preparation for the holidays, we’ve been cooking up tons of new features. We’ve extended our platform support to the Istio service mesh, added a brand new experiment type for testing artificial intelligence (AI) and large language model (LLM) workloads, and made it easier to onboard Kubernetes clusters. We’ve also made our Linux and Windows agents more robust and performant.
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gremlin

Now in private beta: Gremlin Service Mesh Extension

Dec 4, 2024 By Gavin Cahill In Gremlin
Service meshes like Istio have become an essential way to securely and reliably distribute network traffic, especially with ephemeral, service-based architectures such as Kubernetes. However, their constantly shifting nature can interfere with targeting specific services for resilience tests. Infrastructure-based testing is designed to target specific IP addresses, allowing precision testing of applications, VMs, and nodes.
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Reliable AI models, simulations, and more with Gremlin's GPU experiment

Dec 2, 2024 By Andre Newman In Gremlin
Note This blog uses “GPU” to refer to the entire processing circuit, including the GPU processor, video memory, and other supporting hardware. ‍ Artificial Intelligence (AI) has become one of the biggest tech trends in years. From generating full movies to updating its own code, AI is performing tasks that were once science fiction.
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How reliability engineering can verify disaster recovery plans

Nov 5, 2024 By Gavin Cahill In Gremlin
Disaster recovery plans have always been a crucial part of businesses—especially essential services like banks. These plans help keep your business up and running during a disaster or extreme scenario so you can be there for your customers when they need you the most.
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Three serverless reliability risks you can solve today using Failure Flags

Oct 16, 2024 By Andre Newman In Gremlin
Serverless platforms make it incredibly easy to deploy applications. You can take raw code, push it up to a service like AWS Lambda, and have a running application in just a few seconds. The serverless platform provider assumes responsibility for hosting and operating the platform, freeing you up to focus on your application. Naturally, this raises a question: if something goes wrong, who’s responsible?
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gremlin

Best Practices for Testing Zone Redundancy

Oct 16, 2024 By Sam Rossoff In Gremlin
The way the story goes is that in the old days Amazon used to cut power to data centers so they could see if their services were actually redundant across different data centers; and that they only abandoned this practice when EC2 customers started to complain (no matter how many times they were warned their instances might disappear without notice). This story may be apocryphal, but you don’t need to be worried about power loss outages in order to have a given data center go down.
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Top 7 Kubernetes Chaos Engineering Tools

Oct 10, 2024 By Ken Ahrens In Speedscale
Developing highly resilient Kubernetes deployments is crucial for ensuring that your hosted applications in Kubernetes can effectively manage and recover from disruptions. This capability is vital in order to maintain continuous availability for your customers. The importance of resilience in your distributed system also escalates depending on your customer base and the critical nature of your application. Even brief periods of downtime can have a significant negative impact on your business.
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