kubernetes

Why Postgres Breaks Kubernetes container_memory_working_set_bytes Metric

Posted by Jeremy ⋅ August 18, 2026 ⋅ 1 Comment

Kubernetes metric container_memory_working_set_bytes is used for evicting/killing pods with too much memory use, especially if memory request < limit (don’t do this with Postgres). The metric is calculated from cgroups v2 memory.stat as current-inactive_file [source]. You’d assume it’s a good metric for memory usage in kubernetes. But with Postgres, this metric is very inaccurate for … Continue reading →

Openclaw is Spam, Like Any Other Automated Email

Posted by Jeremy ⋅ February 22, 2026 ⋅ 2 Comments

Open Source communities are trying to quickly adapt to the present rapid advances in technology. I would like to propose some clarity around something that should be common sense. Automated emails are spam. They always have been. Openclaw (and whatever new thing surfaces this summer) is no different. Policies saying automated emails/messages are banned – … Continue reading →

Waiting for Postgres 18 – Docker Containers 34% Smaller

Posted by Jeremy ⋅ April 7, 2025 ⋅ Leave a comment

On February 25, 2025 Christoph Berg committed the patch: This closed Debian bug 927182 which had been opened in April 2019 by Laurence Parry. That bug had raised concerns over the significant size increase of adding LLVM as a requirement to support Postgres JIT functionality. Postgres supports packaging LLVM as a separate optional package without … Continue reading →

Challenges of Postgres Containers

Posted by Jeremy ⋅ December 31, 2024 ⋅ Leave a comment

Many enterprise workloads are being migrated from commercial databases like Oracle and SQL Server to Postgres, which brings anxiety and challenges for mature operational teams. Learning a new database like Postgres sounds intimidating. In practice, most of the concepts directly transfer from databases like SQL Server and Oracle. Transactions, SQL syntax, explain plans, connection management, … Continue reading →

Kubernetes Requests and Limits for Postgres

Posted by Jeremy ⋅ September 22, 2024 ⋅ 1 Comment

As Joe Drumgoole said a few days ago: so many Postgres providers. Aiven, AWS, Azure, Crunchy, DigitalOcean, EDB, GCP, Heroku, Neon, Nile, Oracle, Supabase, Tembo, Timescale, Xata, Yugabyte… 🤯 I’m sure there’s more I missed. And that’s not even the providers using Postgres underneath services they offer with a different focus than Postgres compatibility. (I … Continue reading →