Devops

Horizontal Pod Autoscaling (HPA) is a crucial component for maintaining application performance and resource efficiency in Kubernetes clusters. This guide explores implementation best practices and common pitfalls to avoid. Understanding HPA Fundamentals HPA automatically scales the number of pods in a deployment based on observed metrics. While CPU and memory are common scaling triggers, custom metrics can provide more meaningful scaling decisions. Key Metrics Selection When choosing metrics for HPA, consider: ...

Introduction In cloud environments, accidentally overwriting production files can be a nerve-wracking experience. This post walks through the process of recovering individual files from Azure VM backups. Prerequisites Azure subscription with VM backup enabled Access to Azure Portal Backup retention period covering the desired recovery point File-Level Recovery Process 1. Identify the Recovery Point First, locate the specific backup point before the file was modified: Navigate to the Azure Portal Select the VM in question Go to “Backup & restore” Choose “File Recovery” Select a recovery point prior to the file modification 2. Mount the Recovery Point Mount the recovery drive Azure will provide specific mounting instructions One of the nice things about Azure is it builds a binary that does all the mounting work. Other cloud providers often require you to do all this work manually, and also remember to clean up the cloned disks later, and Azure makes all that easy. ...