Spotlight

Smart Scheduler: Intelligent Pod Placement for Kubernetes Cost Optimization

chitender kumar

This article explains how Smart Scheduler extends Kubernetes pod placement with weighted distribution strategies and base capacity guarantees using annotation-based configuration for cost optimization.

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Tools and utilities

  • Easykube: Local Kubernetes development

    Easykube is a tool written in Go for bootstrapping and sharing local Kubernetes developer environments by wrapping Kind and Goja to create opinionated configurations with a local Docker registry.

  • cert-manager-webhook-pdns

    cert-manager-webhook-pdns is a PowerDNS webhook for cert-manager that enables automated Let's Encrypt certificate issuance using DNS-01 challenges by integrating with PowerDNS API for DNS record management.

  • Kthena: Enterprise LLM serving

    Kthena is a Kubernetes-native platform for deploying and managing Large Language Models with support for multiple inference engines like vLLM, SGLang, and Triton.

  • kcli: virtualization tool

    kcli is a management tool for virtualization providers (libvirt, KubeVirt, oVirt, vSphere, AWS, Azure) that deploys VMs from cloud images using YAML plan files with Jinja templating, including pre-built plans for Kubernetes, OpenShift, and OpenStack.

  • sk8r: Kubernetes Dashboard Clone

    sk8r is a modern open source Kubernetes dashboard built with Svelte and TypeScript that provides a user-friendly interface to visualize and manage cluster resources, stream pod logs in real time, and monitor metrics through Prometheus integration.

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From ECS to Kubernetes: A Real Migration Story
From ECS to Kubernetes: A Real Migration Story

Migrating from ECS to Kubernetes sounds straightforward — until you hit spot capacity failures, firewall rules silently dropping traffic, and memory metrics that lie to your autoscaler.

Radosław Miernik, Head of Engineering at aleno, walks through a real production migration: what broke, what they missed, and the fixes that made it work.

In this interview:

  • Running Flux and Argo CD together — Flux for the infra team, Argo CD's UI for developers who don't want to touch YAML
  • How the wrong memory metric caused OOM errors, and why switching to jemalloc cut memory usage by 20%
  • Splitting WebSocket and API containers into separate deployments with independent autoscaling

Four months of migration, over 100 configuration changes in the first month, and a concrete breakdown of what platform work looks like when you can't afford downtime.

Learn from production

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Matching jobs

    • Infrastructure Architect with 8893 VMware LLC

    • Salary: $106.9K to $171K a year

    • Location: fully remote

    • Tech stack: Kubernetes, On-premise, VMware Tanzu, OpenShift, Shell, Python, Java, Javascript, Typescript, C++

    • Platform Engineer with Tyto Athene, LLC

    • Salary: $170K to $175K a year

    • Location: based in the office in Colorado Springs, CO, USA

    • Tech stack: Kubernetes, Shell, Python, SQL, GraphQL, Javascript, Java, Scala, PHP, Typescript

    • Machine Learning Engineer with Saviynt

    • Salary: $144K to $250.47K a year

    • Location: fully remote

    • Tech stack: Kubernetes, AWS, Docker, Python, Javascript, Typescript, ARM templates, Terraform, Cloudformation, CDK

    • DevSecOps Engineer with Maania Consultancy Services

    • Salary: $58.5K to $539K a year

    • Location: based in the office in Herndon, VA, USA

    • Tech stack: Kubernetes, Azure, Helm, Docker, Shell, Python, Terraform, Gitlab, Jenkins, GitHub Actions

    • Platform Engineer with Bright Vision Technologies

    • Salary: $51.57K to $18.97M a year

    • Location: based in the office in Bridgewater, NJ, USA

    • Tech stack: Kubernetes, AWS, Azure, GCP, Helm, ArgoCD, Flux, Docker, Shell, Python

Discover more Kubernetes jobs on Kube Careers →

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    Kubernetes Community Days Kuala Lumpur 2026

    The Call For Paper is open until 27 February 2026 at GMT-5. More info →
    • Location: Kuala Lumpur, MY

    • In-person conference organized by KCD Kuala Lumpur 2026.

    • The conference starts on the 27 June 2026.

    • Apply here
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    Container Days Hamburg 2026

    The Call For Paper is open until 28 February 2026 at GMT-5. More info →
    • Location: Hamburg, DE

    • In-person conference organized by Container Days.

    • The conference starts on the 4 September 2026.

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    IEEE Cloud Summit 2026

    The Call For Paper is open until 28 February 2026 at GMT-5. More info →
    • Location: Washington, D.C., USA

    • In-person conference organized by IEEE Technical Committee on Cloud Computing.

    • The conference starts on the 26 June 2026.

    • Apply here
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    The Cloud & AI Summit 2026

    The Call For Paper is open until 28 February 2026 at GMT-5. More info →
    • Location: St. Louis, MO, USA

    • In-person conference organized by The Cloud and AI Summit.

    • The conference starts on the 2 October 2026.

    • Apply here
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    Devopsdays Sibiu

    The Call For Paper is open until 28 February 2026 at GMT-5. More info →
    • Location: Sibiu, RO

    • In-person conference organized by Devopsdays.

    • The conference starts on the 27 May 2026.

    • Apply here
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    Kubernetes Community Days Kochi 2026

    The Call For Paper is open until 28 February 2026 at GMT-5. More info →
    • Location: Kochi, IN

    • In-person conference organized by KCD Kochi.

    • The conference starts on the 11 April 2026.

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    • In-person conference organized by Devopsdays.

    • The conference starts on the 14 April 2026.

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