Learn Kubernetes Weekly issue 88
Instance calculator, Cost benchmark report, Practical guide to Kubernetes API, ETCD: DR solution, Reduce Prometheus load and cardinality
17 Jul 2024
We released a new version of the Kubernetes instance calculator!
This is what you can do:
- Estimate costs for your workloads based on requests and instance sizes.
- Explore instance overcommitment and efficiency.
- Identify over and underspending by model error rates on your actual memory and CPU usage.
- Compare instances between different cloud providers.
You can find the Kubernetes instance calculator here: learnk8s.io/kubernetes-instance-calculator
If you want to see it in action, I host a webinar this Thursday!
Articles
[PDF] Kubernetes cost benchmark report 2024
The Kubernetes cost benchmark report analyzes the gap between CPU and memory provisioned versus utilized for Kubernetes clusters and its impact on cloud costs.
It is based on analysing 4000 clusters running on AWS, GPC and Azure.
Practical guide to Kubernetes API
Kunal Verma
In this practical guide, you'll cover the fundamental aspects of the Kubernetes API to help you navigate it confidently.
Abdullah Alruwayti
The article discusses the challenges and solutions for running a Kubernetes cluster across two zones for disaster recovery.
It focuses on etcd and its related issues in stretched clusters.
How to massively reduce Prometheus load and cardinality by only using Istio labels you need
Eduardo
This article discusses how to reduce Prometheus load and cardinality using Istio labels, focusing on tuning metrics with Istio Operator.
ConfigMap conundrum: subtleties of dynamic updates in Kubernetes configurations
Aditya Samant
In this article, you will explore the differences between ConfigMaps mounted as Volumes and ConfigMaps defined as environment variables.
Understanding health checks in GKE & Gateway API
Adrian Trzeciak 🇳🇴
This article discusses the difference between Kubernetes readiness and GCP's Application Load Balancer health checks.
Despite a pod being marked as unready by Kubernetes, if GCP's health check deems it healthy, traffic will still be forwarded to it.
Articles worth checking out:
Kubernetes workshops for your team: from zero to expert
Learnk8s
Learn and master Kubernetes networking, architecture, authentication, scaling, storage (and more) with Learnk8s' private training workshops.
Tutorials
Multicluster-scheduler & Argo workflows across Kubernetes clusters
Gokul Chandra
The tutorial explores the capabilities of multicluster-scheduler and Argo workflows in managing workloads across Kubernetes clusters without the need for specific federation configurations.
MongoDB-powered autoscaling: harnessing KEDA to scale applications dnamically
Mohammad saquib
In this tutorial, you will learn how MongoDB integrates with KEDA to enable dynamic application scaling based on database events triggered by MongoDB query results.
Kubernetes jobs
Software Engineer with Immediate Media Co
Salary: £40K a year
Location: based in the office (and remote from home) in Nottingham, GB
Tech stack: Kubernetes, AWS, Docker, Java, SQL Server, DynamoDB, MySQL, Kafka, Terraform, Gitlab
Software Engineer with Uprecruit
Salary: $170K to $240K a year
Location: based in the office in Seattle, WA, USA
Tech stack: Kubernetes, AWS, Azure, GCP, Docker, Go, Python, Java, C++, C#
Software Engineer with dentsu
Salary: $68K to $110.4K a year
Location: remote from the United States
Tech stack: Kubernetes, AWS, Azure, Docker, Python, SQL, Javascript, C#, PostgreSQL, Airflow
Discover more Kubernetes jobs on Kube Careers →
Code & tools
Managed Kubernetes Auditing Toolkit (MKAT)
MKAT is an all-in-one auditing toolkit for identifying common security issues within managed Kubernetes environments.
GitOps Bridge is a community project that aims to showcase best practices and patterns for bridging the process of creating a Kubernetes cluster and subsequently managing everything through GitOps.
It focuses on using ArgoCD or FluxCD.
Mayfly is a Kubernetes operator that enables you to create temporary resources on the cluster that will expire after a certain period of time.
cdebug is a swiss army knife of container debugging:
- Troubleshoot containers lacking shell.
- Forward unpublished or even localhost ports to your host system.
- Expose endpoints from the host system to containers & Kubernetes networks.
vals-operator syncs secrets from any secrets store supported by vals into Kubernetes.
It works similarly to secrets-manager, but it supports more secret stores other than HashiCorp Vault.
Other interesting projects:
⎈ Become an expert in Kubernetes: Advanced Kubernetes course
Learnk8s
Join Learnk8s' 4-day Advanced Kubernetes workshop next week (online).
Get your hands dirty with Kubernetes and learn what makes Kubernetes tick in a session packed with hands-on labs!
Upcoming Kubernetes events
Jul
20
Kubernetes Community Days Lima, Perú 2024
In-person conference organized by KCD Lima, Perú.
Location: Lima, PE
This is a free event.
Jul
25
Online workshop organized by Learnk8s.
This is a virtual event
This event requires an entrance fee
Jul
18
Exploring the Kubernetes instance calculator
Online webinar organized by Learnk8s.
This is a virtual event
This is a free event.
Jul
24
Online meetup organized by The Platformers Community San Francisco.
This is a virtual event
This is a free event.
Jul
23
Tips and tricks to (right) size your Kubernetes cluster for efficiency and cost saving
Online & in-person meetup organized by K8SUG Singapore.
Location: Singapore, SG and virtual
This is a free event.
Discover more Kubernetes events on Kube Events →
Kubernetes Call for Papers
8
days
Kubernetes Community Days Denmark 2024
The Call For Paper is open until 16 September 2024 at UTC. More info →
Location: Copenhagen, DK
In-person conference organized by KCD Denmark.
The conference starts on the 20 November 2024.
- Apply here
expired
The Call For Paper was open until 25 August 2024 at UTC. More info →
Location: Delhi, IN
In-person conference organized by Linux Foundation.
The conference starts on the 11 December 2024.
- Apply here
expired
The Call For Paper was open until 26 August 2024 at UTC. More info →
This is a virtual event
Online conference organized by Conf42.
The conference starts on the 26 September 2024.
- Apply here
expired
The Call For Paper was open until 5 August 2024 at UTC. More info →
This is a virtual event
Online conference organized by Conf42.
The conference starts on the 5 September 2024.
- Apply here
11
days
The Call For Paper is open until 18 September 2024 at UTC. More info →
Location: San Francisco, CA, USA
In-person conference organized by InfoQ.
The conference starts on the 18 November 2024.
- Apply here
expired
Open Source Monitoring Conference
The Call For Paper was open until 15 August 2024 at UTC. More info →
Location: Nuremberg, DE
In-person conference organized by NETWAYS.
The conference starts on the 21 November 2024.
- Apply here
expired
The Call For Paper was open until 2 September 2024 at UTC. More info →
Location: Bogotá, CO
In-person conference organized by Devopsdays.
The conference starts on the 29 October 2024.
- Apply here
expired
The Call For Paper was open until 31 July 2024 at UTC. More info →
Location: Belo Horizonte, BR
In-person conference organized by Devopsdays.
The conference starts on the 28 September 2024.
- Apply here
expired
The Call For Paper was open until 21 July 2024 at UTC. More info →
Location: Cairo, EG
In-person conference organized by Devopsdays.
The conference starts on the 25 September 2024.
- Apply here
Until next time!
— Dan
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