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Personal Learning Notes

Learning log · Coding practice · Original notes

Writing down what I learn, in a form I can reuse

I wrote code, then spent years in administration. When AI arrived I picked the technical side back up. Now I work on business analysis, MBSE and knowledge engineering — and write down the process as I go.

Three things I am working on

Business analysis

Turning a business problem into something you can actually analyse, rather than stopping at "something feels wrong".

MBSE

Carrying system design in models instead of documents, so every change to a complex system has a traceable basis.

Knowledge engineering

Turning experience into something searchable, reusable and legible to machines, instead of scattered across dozens of files.

Recent notes

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Containers die whenever; two hours of progress should not die with them

Fourth post in the agent sandbox series. Move progress out of container memory onto a shared disk, then delete the working container on purpose — another one picks up at page 17. Including the honest part: this "automatic recovery" still needs a human to press something.

  • Kubernetes
  • AI Agent
  • Fault Tolerance

A container per task fixes isolation, and leaves the user waiting 45 seconds

Second post in the agent sandbox series. One container per task sounds obvious, and it makes the user wait 45 to 90 seconds after they hit submit. Where those seconds actually go, and why the interface built for managing a cluster has no business on the path a user clicks.

  • Kubernetes
  • AI Agent
  • Cold Start

Want to talk about one of these notes?

If something here is wrong, unclear, or you would have done it differently, I would like to hear about it.