I was working on a project called SpotOn last year. The basically idea is to use Spot fleet whenever possible. If the pool size is lower than the threshold, then CloudWatch will trigger a Lambda function to scale up the on-demand EC2 to pick up the workloads. Check this out if you want to know … Continue reading EC2 fleet at first glance
Have you read my previous post Install Kubernetes on AWS with kops? If yes, then kube-aws is an alternative to kops. If you have not, then kube-aws is an open source tool that simplifies the installation of Kubernetes on AWS. I have not tried kube-aws yet, but I will when I need to build another … Continue reading What is kube-aws?
Atlassian recently open sourced its in-house auto-scaling tool for Kubernetes - Escalator. I have not gotten a chance to try it yet, but according to this article, the tools is initially designed for the batch workloads which can not tolerate scaling-up delay. The idea behind it is to allow user to set up the percentage … Continue reading Escalator – auto-scaling tool for Kubernetes
Helm is the package manager for Kubernetes, you can think it as yum/apt/homebrew. It contains two parts: Server (tiller) and Client (helm). helm client can be installed on Linux/Mac/Windows, the package can be found here. Helm manages the Kubernetes charts which are pre-configured Kubernetes resources. In the following example, I will show you how to … Continue reading Use helm in Kubernetes
Before introducing how to use AWS EFS for Kubernetes, let me recap some terms of Persistent Volumes. PV (Persistent Volume): PV is a piece of storage, it can be NFS, iSCSI, EBS, EFS... The purpose of having PV is to decouple the storage from pod's lifecycle. PVC (Persistent Volume Claim): PVC provides the method for … Continue reading Use AWS EFS for Kubernetes
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