DevOps&SRE Library

Have you ever wondered what it takes to build a serverless software as a service (SaaS) offering in under a year? In this blog post, we will describe how we built ClickHouse Cloud – a managed service on top of one of the most popular online analytical processing (OLAP) databases in the world – from the ground up. We delve into our planning process, design and architecture decisions, security and compliance considerations, how we achieved global scalability and reliability in the cloud, and some of the lessons we learned along the way.

More features, active users, and data are collected daily. Your database is slowing your application. Many people don't understand database sharding, which could solve their difficulties. This article explains database sharding, its benefits, including how to use it and when not to.

The prometheus monitoring stack includes an alert dispatching component called alertmanager. Many integrations are available to dispatch the alerts to pager, slack, etc… i.e. notification channels. But how to bring easily and efficiently automated responses is the question we’ll try to answer here.

A deep technical dive into all things Redis. Covering various Redis topologies, data persistence and process forking.

Run gitlab pipelines locally as shell executor or docker executor.

Pgweb is a web-based database explorer for PostgreSQL, written in Go, and works on Mac, Linux and Windows machines. Distributed as a simple binary with zero dependencies. Very easy to use and packs just the right amount of features.

In this kubernetes tutorial, you will learn the etcd backup and restore on Kubernetes cluster with an etcd snapshot.

In this detailed guide, I have shared the roadmap for becoming a DevOps Engineer based on my 10 years of experience working as a DevOps Engineer in various organizations.

Retool’s cloud-hosted product is backed by a single beefy 4 TB Postgres database running in Microsoft’s Azure cloud. Last fall, we migrated this database from Postgres version 9.6 to version 13 with minimal downtime.

How did we do it? To be frank, it wasn’t a completely straight path from point A to point B. In this post, we’ll tell the story and share tips to help you with a similar upgrade.

copa is a CLI tool written in Go and based on buildkit that can be used to directly patch container images given the vulnerability scanning results from popular tools like Trivy.