Introduction to SLI, examples, counterexamples and tips

An error budget is essentially the permissible limit of risk or failure that a service can tolerate while still meeting its objectives. It is closely tied to Service Level Objectives, which define the expected level of service reliability. For instance, if an SLO dictates 99.9% uptime, the error budget allows for a 0.1% margin of error or downtime.

GitHub uses MySQL to store vast amounts of relational data. This is the story of how we seamlessly upgraded our production fleet to MySQL 8.0.

IaC is one of the key DevOps practices, and AWS CDK & Terraform are both great IaC tools to manage your AWS infrastructure. Having used both extensively, let me share my experience with the 2 IaC tools.

This is a suite of terraform and OpenTofu related GitHub Actions that can be used together to build effective Infrastructure as Code workflows.

Defining clear Incident Severity levels is a key component to an efficient Incident Management process that helps Engineering teams quickly respond to outages and mitigate customer impact.

Beyond the basics, an in depth look at memory metrics in Kubernetes

A file server that supports static serving, uploading, searching, accessing control, webdav.

This tool simply watches Kubernetes Events and logs them to stdout in JSON to be collected and stored by your logging solution, e.g. fluentd, fluent-bit, Filebeat, or Promtail. Other tools exist for persisting Kubernetes Events, such as Sysdig, Datadog, or Google's event-exporter but this tool is open and will work with any logging solution.

The Helm plugin that comes in handy while identifying configuration drifts (mostly due to in-place edits) from the deployed Helm charts.

loxilb is an open source hyper-scale software load-balancer for cloud-native workloads. It uses eBPF as its core-engine and is based on Golang. It is designed to power on-premise, edge and public-cloud Kubernetes cluster deployments.