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Marius Quadflieg

Fullstack Ops

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How we slashed our EKS costs by 43% with one simple scheduler tweak 🚀

By default, Kubernetes uses a leastAllocated scheduling strategy. Its goal is to be fair and resilient by spreading your application pods across as many nodes (servers) as possible. It looks for the node with the least workload and places the new pod there. While this is great for high availability, it's a nightmare for cost optimization in the cloud. Why? Because it leads to a cluster full of…

Kubernetes 1.34 Sets Sail: „Of Wind & Will“ ⛵️ – What it Means for Your Workloads

Hey everyone! 👋 The Kubernetes community has done it again, delivering another fantastic release. Welcome to Kubernetes v1.34, a release aptly themed Of Wind Will ! A release powered by the wind around us — and the will within us. This theme beautifully captures the spirit of the Kubernetes project. While developers can t always control [ ] Der Beitrag Kubernetes 1.34 Sets Sail: Of Wind Will ⛵️…

🚀 Zeropod: Scale Your Kubernetes Pods to Zero and Back!

What if you could have your applications ready and waiting, without having them run all the time? What if you could scale your pods all the way down to zero and have them magically spring back to life the instant they're needed? Enter Zeropod, a revolutionary Kubernetes runtime that does exactly that. Der Beitrag 🚀 Zeropod: Scale Your Kubernetes Pods to Zero and Back! erschien zuerst auf Marius…

Supercharge Your Kubernetes Workloads: A Guide to Huge Pages on EKS 🧬

By leveraging Huge Pages, you can provide your memory-hungry applications with the stable, high-performance environment they need to deliver results faster. Der Beitrag Supercharge Your Kubernetes Workloads: A Guide to Huge Pages on EKS 🧬 erschien zuerst auf Marius Quadflieg .

Supercharge Your Research: Smarter, Faster, and Cheaper Data Storage with AWS! 🚀

In the world of high-performance computing (HPC), especially in critical fields like drug development and life sciences, we're constantly dealing with a data explosion. From sequencing entire genomes to running complex molecular simulations, the datasets are not just large; they're monumental, often scaling into petabytes. Der Beitrag Supercharge Your Research: Smarter, Faster, and Cheaper Data…

🚀 What’s New in Argo CD v3.1: OCI Support, UI Magic, and More!

This release is packed with significant enhancements, including the much-anticipated OCI support, versatile CLI Plugins, intelligent Hydrator updates, and slick UI improvements. Plus, it comes loaded with a host of security fixes, bug squashes, and general quality-of-life upgrades. Der Beitrag 🚀 What s New in Argo CD v3.1: OCI Support, UI Magic, and More! erschien zuerst auf Marius Quadflieg .

🚀 Supercharge Your Kubernetes Scheduling with Advanced Pod Affinity!

During a rolling update, your cluster juggles pods from both old and new ReplicaSets. The problem? The standard podAffinity scheduler can't tell them apart based on the labelSelector alone. This can lead to some less-than-ideal situations. Der Beitrag 🚀 Supercharge Your Kubernetes Scheduling with Advanced Pod Affinity! erschien zuerst auf Marius Quadflieg .

Unlock a More Efficient Git Workflow with Worktrees

Introduced in Git version 2.5, a worktree is a linked working copy of your repository. It allows you to have multiple branches checked out simultaneously in different directories, all while sharing the same underlying Git database. This makes them significantly faster and more space-efficient than maintaining multiple full clones. Der Beitrag Unlock a More Efficient Git Workflow with Worktrees…

Kubernetes security – Runtime thread detection

Today it is time for the second part of my Trivadis mini-series Security for Kubernetes . This time we re looking at runtime thread detection, alerting and actions. Many people now use analysis tools to check their frameworks and Docker images for potential security vulnerabilities. In the next part of the mini-series, I ll tell you about our current setup [ ] Der Beitrag Kubernetes security…

AWS QuickTip: Secure your Kubernetes environment using NetworkPolicies on AWS EKS

As a consultant at Trivadis, I am currently working for a customer who wants to secure their Kubernetes infrastructure. Part of this protection consists of not allowing data from a specific namespace to reach the internet. In the project, we have a private network, but connecting from Kubernetes to the internet is still possible by [ ] Der Beitrag AWS QuickTip: Secure your Kubernetes environment…