Observability and user-friendly git signing tools, plus useful principles for data migrations, configuration management and more this week. Enjoy KubeCon EU everyone who’s going to be in Valencia this coming week.

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News

Data migration and schema changes in relational systems have a long history, but the velocity of modern development makes historical approaches unworkable. This post has a nice set of principles to consider.
https://planetscale.com/blog/the-operational-relational-schema-paradigm

A case study of adopting team topologies and domain modelling approaches to move from component-based teams to product teams.
https://www.infoq.com/articles/reduce-cognitive-load-devops-teams/

Pulumi just added support for YAML as a first-class interface, which opens up interesting opportunities for using anything that can generate JSON, for instance HCL, CUE or, er, Perl or Fortran.
https://leebriggs.co.uk/blog/2022/05/04/deploying-kubernetes-clusters-in-absurd-languages

It’s KubeCon EU this coming week. An interesting dashboard showing what’s being discussed.
https://exploratory.io/dashboard/PQd2wHB2BZ/KubeCon-Dashboard-EMA-HZd4OIw8yu

Another YAML post, this one looking at evolving YAML management tooling for Kubernetes.
https://matduggan.com/tips-for-making-kubernetes-yaml-less-annoying/

The first of a series of posts looking at a big data architecture running on Kubernetes, with Trino, Superset and Ranger.
https://medium.com/geekculture/trino-superset-and-ranger-on-kubernetes-what-why-how-c963935fd402

A good introduction to the problems solved by observability and distributed tracing.
https://blog.techlanika.com/distributed-tracing-the-why-what-and-how-ab9ca9e40081

Jobs

Close is building the sales communication platform of the future and we’re looking for a Site Reliability Engineer to help us accomplish that goal. If you have a passion for databases (both SQL and NoSQL), significant experience building, managing, and monitoring infrastructure, databases, and backend services at scale and want to work with a rag-tag team of hardworking, but humble humans, then come check us out!
https://bit.ly/close-sre

Tools

Gitsign is a new tool that aims to make signing git commits easier, using keyless signing powered by sigstore.
https://github.com/sigstore/gitsign

The o11y toolkit is a project to provide utilities for managing observability stacks. Oy-scrape-jitter is the first of these tools. It queries Prometheus servers to find the jitter in scrape timestamp alignment.
https://o11y.eu/blog/announcing-o11y-toolkit/
https://github.com/o11ydev/oy-toolkit