This blogpost explores the statistical complexities of using Mean Time to Resolve (MTTR) as a key incident metric. The author argues that due to the power-law distribution of incident durations, MTTR trends can be misleading.
https://surfingcomplexity.blog/2024/12/01/mttr-when-sample-means-and-power-laws-combine-trouble-follows/
https://surfingcomplexity.blog/2024/12/01/mttr-when-sample-means-and-power-laws-combine-trouble-follows/
Surfing Complexity
MTTR: When sample means and power laws combine, trouble follows
Think back on all of the availability-impacting incidents that have occurred in your organization over some decent-sized period, maybe a year or more. Is the majority of the overall availability im…
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kubectl-validate is a SIG-CLI subproject to support the local validation of resources for native Kubernetes types and CRDs.
https://github.com/kubernetes-sigs/kubectl-validate
https://github.com/kubernetes-sigs/kubectl-validate
GitHub
GitHub - kubernetes-sigs/kubectl-validate
Contribute to kubernetes-sigs/kubectl-validate development by creating an account on GitHub.
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This write-up from incident.io introduces the "Incident Maturity Model," a framework for evaluating and improving an organization's incident management processes. The model outlines three stages: Centralized, Distributed, and Democratized, offering a roadmap for growth.
https://incident.io/blog/the-incident-maturity-model
https://incident.io/blog/the-incident-maturity-model
incident.io
The Incident Maturity Model | Blog
Incidents are inevitable—how you handle them matters. The Incident Maturity Model shows how to level up from basic response to company-wide resilience, with actionable steps backed by real data. Where does your team stand?
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Lawrence Jones provides an analysis of the challenges and incentives surrounding company status pages. The text delves into why transparency can be difficult for businesses, especially when SLAs and financial penalties are involved.
https://blog.lawrencejones.dev/status-pages/
https://blog.lawrencejones.dev/status-pages/
blog.lawrencejones.dev
Uptime, status pages, and transparency calculus
From the evergreen AWS status page to hardcoded 100% uptime, no one fully trusts a status page anymore. But why is this? Companies often start with good intentions, aiming for full transparency. So why do so many change along the way: what pressures people…
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This tutorial from Steven Sklar on DEV Community explains how to implement Kubernetes-powered leader election in Go applications. It walks through the use of Kubernetes Leases and the
https://dev.to/sklarsa/how-to-add-kubernetes-powered-leader-election-to-your-go-apps-57jh
client-go/tools/leaderelection package with a practical code example.https://dev.to/sklarsa/how-to-add-kubernetes-powered-leader-election-to-your-go-apps-57jh
DEV Community
How to add Kubernetes-powered leader election to your Go apps
Learn about leader election and how you can leverage part of the Kubernetes standard library to add this feature to your next application
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This comprehensive guide details the process of setting up a high-availability k3s Kubernetes cluster. It uses keepalived for a virtual IP, a Galera cluster for the database, and Longhorn for distributed block storage to ensure no single point of failure.
https://raymii.org/s/tutorials/High_Available_k3s_kubernetes_cluster_with_keepalived_galera_and_longhorn.html
https://raymii.org/s/tutorials/High_Available_k3s_kubernetes_cluster_with_keepalived_galera_and_longhorn.html
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⚠️ Ingress Nginx will be retired!
To prioritize the safety and security of the ecosystem, Kubernetes SIG Network and the Security Response Committee are announcing the upcoming retirement of Ingress NGINX 🪦
https://kubernetes.io/blog/2025/11/11/ingress-nginx-retirement/
To prioritize the safety and security of the ecosystem, Kubernetes SIG Network and the Security Response Committee are announcing the upcoming retirement of Ingress NGINX 🪦
https://kubernetes.io/blog/2025/11/11/ingress-nginx-retirement/
Kubernetes
Ingress NGINX Retirement: What You Need to Know
To prioritize the safety and security of the ecosystem, Kubernetes SIG Network and the Security Response Committee are announcing the upcoming retirement of Ingress NGINX. Best-effort maintenance will continue until March 2026. Afterward, there will be no…
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This exploration by OpenSauced explains how they leverage Kubernetes Jobs to run OpenSSF Scorecard checks at a massive scale. The system is designed to assess the security posture of nearly any public repository on GitHub.
https://dev.to/opensauced/how-we-use-kubernetes-jobs-to-scale-openssf-scorecard-5bf2
https://dev.to/opensauced/how-we-use-kubernetes-jobs-to-scale-openssf-scorecard-5bf2
DEV Community
How we use Kubernetes jobs to scale OpenSSF Scorecard
We recently released integrations with the OpenSSF Scorecard on the OpenSauced platform. The OpenSSF...
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This post offers an exploration of the fundamental traffic management capabilities within the Istio service mesh. Author Albert Riu covers core concepts like DestinationRules, VirtualServices, and Gateways to control and route traffic in a microservices architecture.
https://medium.com/@arivermar/exploring-the-basics-of-istio-traffic-management-cee13f0817c2
https://medium.com/@arivermar/exploring-the-basics-of-istio-traffic-management-cee13f0817c2
Medium
Exploring the basics of Istio traffic management
Exploring the basics of Istio traffic management In microservices architecture, the concept of a service mesh has already become firmly established. A service mesh could be defined as an …
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Ingress Nginx will be retired, time to choose a gateway api.
Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation.
https://github.com/howardjohn/gateway-api-bench
Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation.
https://github.com/howardjohn/gateway-api-bench
GitHub
GitHub - howardjohn/gateway-api-bench: Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation.
Gateway API Benchmarks provides a common set of tests to evaluate a Gateway API implementation. - howardjohn/gateway-api-bench
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This post from Causely.ai provides practical tips for dealing with the Out of Memory (OOM) Killer in Kubernetes environments. It covers how to diagnose OOMKilled events and configure resource requests and limits effectively to prevent them.
https://www.causely.ai/blog/kubernetes-oom-killer-tips
https://www.causely.ai/blog/kubernetes-oom-killer-tips
www.causely.ai
Preventing Out-of-Memory (OOM) Kills in Kubernetes: Tips for Optimizing Container Memory Management
Running containerized applications at scale with Kubernetes demands careful resource management. One very complicated but common challenge is preventing Out-of-Memory (OOM) kills, which occur when a container’s memory consumption surpasses its allocated limit.…
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In this insightful piece, Lawrence Jones breaks down the nuances of measuring and understanding latency in distributed systems. The author emphasizes the importance of using percentiles and histograms over simple averages to get a true picture of system performance.
https://blog.lawrencejones.dev/latency/
https://blog.lawrencejones.dev/latency/
blog.lawrencejones.dev
Adding latency: one step, two step, oops
When it comes to complex systems, you can only go so far with synthetic experiments before you need to try something for real, and test in production. There's no substitute for it, and you're likely making the wrong decision if you avoid it. But I can say…
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