Publications by tag migrations

Interested in trying a community-backed fork of Terraform? See how you can migrate your deployments to OpenTofu and which benefits this IaC tool brings.

We had an etcd cluster deployed in the production K8s cluster and used for a third-party app. Here is a list of configurations we used and actions we performed to migrate it without impacting the running app.

This guide demonstrates how to move a basic web app from the OpenShift platform to vanilla Kubernetes. It includes all related listings for this specific example and a cheatsheet for a general migration approach.

Swapping Redis for KeyDB is not a silver bullet. However, we had another positive experience recently when it helped to get better performance with minimum engineering efforts.

Cloud transformation can be a daunting task. Hear how Adapty was able to reduce their costs by 50% and improve performance with help from Palark.

Migrating a Patroni-based PostgreSQL (v11.13) cluster brought us some unforeseen issues. Dive into this in-depth tutorial to avoid them when you have a similar challenge!

Our customer’s migration from Gitea/Jenkins to GitLab was full of challenges. Here is how we overcame them, including some useful Python scripts.

Terraformer is a handy tool to get your infrastructure hosted within the cloud providers described in the Terraform format. Here is why you might need it and how you can succeed with it.

Our new exciting SRE/Ops stories include complicated Linux server migration (bare-metal to VM), large PostgreSQL replica recovery, small case with ClickHouse Kubernetes operator, and abnormal result of CockroachDB upgrade.

How we have moved a running Cassandra instance between Kubernetes clusters and changed the K8s operator to manage it.

How KeyDB has helped us to get rid of a performance bottleneck using Redis in one of web applications.

Overcoming common challenges of storing files for a stateful application in Kubernetes following the 12 Factor App approach.

A short how-to for moving your RabbitMQ cluster from an old bare-metal servers installation (or old Kubernetes deployment) to a new production K8s cluster.