I'm trying a new experiment with my blog: all posts will still be public, but instead of putting them behind a paywall for a weekend, I'm going to leave them behind the paywall for a week. As I have mentioned, I'm trying to get a few more paid subscribers to help support ACRL's conference attendance, which is were I'm able to get most of my business and new leads.

So this week's post, which is a recap of my SRECon talk from last week, is now available for paid subscribers only, and will be available for free to the general public next Monday! Check it out if you want.

https://blog.appliedcomputing.io/p/stop-reading-changelogs-safer-kubernetes

#kubernetes #srecon #simkube

Stop Reading Changelogs: Safer Kubernetes upgrades with simulation

SRECon 2026 Talk Transcript

Applied Computing Research Labs

And that's a wrap! Thanks all for a great conference.

#srecon

"No one ever made a decision because of a number. They need a story" Daniel Kahneman.

#srecon

How to get better at storytelling? Lots of practice! If you're involved in incidents you'll have lots of practice, and you can tell them to people at SRECon :D

#srecon

(Is this a good time to plug ACRL's one public postmortem? 🤣 🤣 🤣 🤣 🤣)

https://blog.appliedcomputing.io/p/postmortem-intermittent-failure-in

#srecon

Postmortem: Intermittent Failure in SimKube CI Runners

On Wednesday, November 26, 2025, while testing changes to ACRL’s SimKube CI Runner, an ACRL employee discovered an intermittent failure in the runner.

Applied Computing Research Labs

"So what, Lorin, you told us all this stuff, what am I supposed to do with it?"

One take-away: when you do your incident writeups, tell it as a story.

#srecon

A third story told by Diane Vaughan said that challenger was a story about normalization of deviance.

If you tuned a noisy alert, that is normalization of deviance: if the alert is firing, but the system is healthy, we make the alert less noisy! We do this all the time.

#srecon

Another story, told by Edward Tufte (of Visual Display of Quantitative Information fame) said this was about "poor information presentation and bad visualization".

Not surprising that an info-vis guy said it was an info-vis problem 🤣

#srecon

The details of a story depend a lot on the perspective of the storyteller.

Example: the Challenger disaster. Feynman wrote an appendix to the "official" synopsis of the accident. He said this was a story about "management underestimating risks"

#srecon

When it comes to incidents, there are different kinds or styles of stories you can tell:

1. "The horror story": we failed over and the problem followed us to the new region! 😱
2. "The morality tale": the engineer ignored the failing test and the bad code made it to production 😡

#srecon