If you missed my talk, you can read my blogpost about it!
blog.appliedcomputing.io/p/using-simk...
#kubecon #rejekts
blog.appliedcomputing.io/p/using-simk...
#kubecon #rejekts
Using SimKube 1.0: Comparing Kubernetes Cluster Autoscaler and Karpenter
This post is part 2 of a 3-part series on some "real" results that I've gotten from my Kubernetes simulator project called SimKube. If you recall from last week, I also announced that SimKube has matu...
blog.appliedcomputing.io
November 10, 2024 at 11:18 PM
If you missed my talk, you can read my blogpost about it!
blog.appliedcomputing.io/p/using-simk...
#kubecon #rejekts
blog.appliedcomputing.io/p/using-simk...
#kubecon #rejekts
The last couple weeks I was on vacation in Korea and Japan, but my coworker Ian wrote a blog post about improving the KWOK behaviour in SimKube!
blog.appliedcomputing.io/p/worth-the-...
#kubernetes #k8s #kwok #simkube
blog.appliedcomputing.io/p/worth-the-...
#kubernetes #k8s #kwok #simkube
Worth the Wait: Making SimKube Pod Startup More Realistic
If you’re detail-oriented, skeptical, or just enjoy watching Pod transitions in your spare time, you may have noticed a peculiar behavior in SimKube: Pods transition to Running very quickly.
blog.appliedcomputing.io
July 8, 2026 at 4:51 PM
The last couple weeks I was on vacation in Korea and Japan, but my coworker Ian wrote a blog post about improving the KWOK behaviour in SimKube!
blog.appliedcomputing.io/p/worth-the-...
#kubernetes #k8s #kwok #simkube
blog.appliedcomputing.io/p/worth-the-...
#kubernetes #k8s #kwok #simkube
Just landed: Learn Kubernetes weekly 166! My top picks:
🐛 Fixing Kubelet Sandbox Errors
📊 Distributed Tracing with Tempo on AKS
💰 SimKube for Cost Forecasting
🚀 Kargo: GitOps Automation
Read it here: https://kube.today/issues/166
🐛 Fixing Kubelet Sandbox Errors
📊 Distributed Tracing with Tempo on AKS
💰 SimKube for Cost Forecasting
🚀 Kargo: GitOps Automation
Read it here: https://kube.today/issues/166
January 14, 2026 at 12:11 PM
Just landed: Learn Kubernetes weekly 166! My top picks:
🐛 Fixing Kubelet Sandbox Errors
📊 Distributed Tracing with Tempo on AKS
💰 SimKube for Cost Forecasting
🚀 Kargo: GitOps Automation
Read it here: https://kube.today/issues/166
🐛 Fixing Kubelet Sandbox Errors
📊 Distributed Tracing with Tempo on AKS
💰 SimKube for Cost Forecasting
🚀 Kargo: GitOps Automation
Read it here: https://kube.today/issues/166
KubeCon is next week! Come find me, ask me questions about SimKube, and get a Mr. Squidler sticker!!!
youtube.com/shorts/ngsHB...
I have a calendar set up here if you want to chat: cal.com/drmorr/kubecon
#kubernetes #kubecon #k8s #simkube
youtube.com/shorts/ngsHB...
I have a calendar set up here if you want to chat: cal.com/drmorr/kubecon
#kubernetes #kubecon #k8s #simkube
Can you fit in the cube? #kubecon #kubernetes #simkube
YouTube video by Applied Computing Research Labs
youtube.com
November 6, 2025 at 6:47 AM
KubeCon is next week! Come find me, ask me questions about SimKube, and get a Mr. Squidler sticker!!!
youtube.com/shorts/ngsHB...
I have a calendar set up here if you want to chat: cal.com/drmorr/kubecon
#kubernetes #kubecon #k8s #simkube
youtube.com/shorts/ngsHB...
I have a calendar set up here if you want to chat: cal.com/drmorr/kubecon
#kubernetes #kubecon #k8s #simkube
Surprising everybody, nobody watched my video on TikTok.
You can make up for it by watching it here! New video dropping tomorrow :D
youtube.com/shorts/jUE2Y...
#kubernetes #k8s #simkube #lego
You can make up for it by watching it here! New video dropping tomorrow :D
youtube.com/shorts/jUE2Y...
#kubernetes #k8s #simkube #lego
whats simkube
YouTube video by Applied Computing Research Labs
youtube.com
October 15, 2025 at 5:11 AM
Surprising everybody, nobody watched my video on TikTok.
You can make up for it by watching it here! New video dropping tomorrow :D
youtube.com/shorts/jUE2Y...
#kubernetes #k8s #simkube #lego
You can make up for it by watching it here! New video dropping tomorrow :D
youtube.com/shorts/jUE2Y...
#kubernetes #k8s #simkube #lego
* and by "people" I mean "IP addresses"
** no really, I literally just typed `docker logs www-simkube |& grep "GET /\?utm_source=" | awk '{print $NF}' | sort | uniq | wc -l`. I am a professional.
** no really, I literally just typed `docker logs www-simkube |& grep "GET /\?utm_source=" | awk '{print $NF}' | sort | uniq | wc -l`. I am a professional.
September 22, 2025 at 8:05 PM
* and by "people" I mean "IP addresses"
** no really, I literally just typed `docker logs www-simkube |& grep "GET /\?utm_source=" | awk '{print $NF}' | sort | uniq | wc -l`. I am a professional.
** no really, I literally just typed `docker logs www-simkube |& grep "GET /\?utm_source=" | awk '{print $NF}' | sort | uniq | wc -l`. I am a professional.
SimKube 2.4.0 was released last night!
Main new feature is that if you export a trace, objects that are owned by other objects in the trace are discarded. You don't want a situation where your trace contains both a Deployment AND the ReplicaSet that the deployment owns.
github.com/acrlabs/simk...
Main new feature is that if you export a trace, objects that are owned by other objects in the trace are discarded. You don't want a situation where your trace contains both a Deployment AND the ReplicaSet that the deployment owns.
github.com/acrlabs/simk...
GitHub - acrlabs/simkube: Record-and-replay Kubernetes simulator based on KWOK
Record-and-replay Kubernetes simulator based on KWOK - acrlabs/simkube
github.com
August 19, 2025 at 7:55 PM
SimKube 2.4.0 was released last night!
Main new feature is that if you export a trace, objects that are owned by other objects in the trace are discarded. You don't want a situation where your trace contains both a Deployment AND the ReplicaSet that the deployment owns.
github.com/acrlabs/simk...
Main new feature is that if you export a trace, objects that are owned by other objects in the trace are discarded. You don't want a situation where your trace contains both a Deployment AND the ReplicaSet that the deployment owns.
github.com/acrlabs/simk...
Mission Impossible XII: Upgrade Kubernetes (spoiler warning: using SimKube makes upgrading easier!)
youtube.com/shorts/BW-iY...
Want to know more? Come chat with us at KubeCon:
cal.com/drmorr/kubecon
#kubernetes #k8s #kubecon #simkube
youtube.com/shorts/BW-iY...
Want to know more? Come chat with us at KubeCon:
cal.com/drmorr/kubecon
#kubernetes #k8s #kubecon #simkube
Mission Impossible XII: Upgrade Kubernetes
YouTube video by Applied Computing Research Labs
youtube.com
October 29, 2025 at 5:49 PM
Mission Impossible XII: Upgrade Kubernetes (spoiler warning: using SimKube makes upgrading easier!)
youtube.com/shorts/BW-iY...
Want to know more? Come chat with us at KubeCon:
cal.com/drmorr/kubecon
#kubernetes #k8s #kubecon #simkube
youtube.com/shorts/BW-iY...
Want to know more? Come chat with us at KubeCon:
cal.com/drmorr/kubecon
#kubernetes #k8s #kubecon #simkube
The Bluth family does Kubernetes. Filmed along with my good friend and amazing engineer, @bizzybits!
youtube.com/shorts/KEjFj...
Wish your company was less like the Bluth company? Come chat with us at KubeCon to find out how!
cal.com/drmorr/kubecon
#kubernetes #k8s #simkube #kubecon
youtube.com/shorts/KEjFj...
Wish your company was less like the Bluth company? Come chat with us at KubeCon to find out how!
cal.com/drmorr/kubecon
#kubernetes #k8s #simkube #kubecon
The Bluth family does Kubernetes #k8s #kubecon #programming #kubernetes #simkube #kubecon
YouTube video by Applied Computing Research Labs
youtube.com
October 22, 2025 at 5:26 PM
The Bluth family does Kubernetes. Filmed along with my good friend and amazing engineer, @bizzybits!
youtube.com/shorts/KEjFj...
Wish your company was less like the Bluth company? Come chat with us at KubeCon to find out how!
cal.com/drmorr/kubecon
#kubernetes #k8s #simkube #kubecon
youtube.com/shorts/KEjFj...
Wish your company was less like the Bluth company? Come chat with us at KubeCon to find out how!
cal.com/drmorr/kubecon
#kubernetes #k8s #simkube #kubecon
In case you were wondering what I was up to at KubeCon, it was incredibly important content marketing.
youtube.com/shorts/ZDlQz...
Looking forward to seeing you all next year for "Can U Fit In The Kube 2"!!!!
#kubecon #kubernetes #funny #simkube #k8s #fitinthekube
youtube.com/shorts/ZDlQz...
Looking forward to seeing you all next year for "Can U Fit In The Kube 2"!!!!
#kubecon #kubernetes #funny #simkube #k8s #fitinthekube
Can U Fit In The Kube? #kubecon #funny #kubernetes #k8s #simkube
YouTube video by Applied Computing Research Labs
youtube.com
November 18, 2025 at 4:54 PM
In case you were wondering what I was up to at KubeCon, it was incredibly important content marketing.
youtube.com/shorts/ZDlQz...
Looking forward to seeing you all next year for "Can U Fit In The Kube 2"!!!!
#kubecon #kubernetes #funny #simkube #k8s #fitinthekube
youtube.com/shorts/ZDlQz...
Looking forward to seeing you all next year for "Can U Fit In The Kube 2"!!!!
#kubecon #kubernetes #funny #simkube #k8s #fitinthekube
One of the most common questions I get about SimKube (and/or Kubernetes simulation in general) is "What is a trace, actually?"
So I wrote a blog post about it.
blog.appliedcomputing.io/p/anatomy-of...
#kubernetes #k8s #simkube #simulation
So I wrote a blog post about it.
blog.appliedcomputing.io/p/anatomy-of...
#kubernetes #k8s #simkube #simulation
Anatomy of a Trace
OK I’ve been promising to write more technical content for a while now, instead of me just moping about turning 40, and in this post, we’re actually gonna do it!
blog.appliedcomputing.io
June 9, 2025 at 8:30 PM
One of the most common questions I get about SimKube (and/or Kubernetes simulation in general) is "What is a trace, actually?"
So I wrote a blog post about it.
blog.appliedcomputing.io/p/anatomy-of...
#kubernetes #k8s #simkube #simulation
So I wrote a blog post about it.
blog.appliedcomputing.io/p/anatomy-of...
#kubernetes #k8s #simkube #simulation
This issue is sponsored by Applied Computing Research Labs!
Check out SimKube to help you test changes to your Kubernetes platform locally!
simkube.dev
Check out SimKube to help you test changes to your Kubernetes platform locally!
simkube.dev
Home - SimKube
simkube.dev
September 22, 2025 at 8:56 AM
This issue is sponsored by Applied Computing Research Labs!
Check out SimKube to help you test changes to your Kubernetes platform locally!
simkube.dev
Check out SimKube to help you test changes to your Kubernetes platform locally!
simkube.dev
This week's post is about all the ways that bare Kubernetes pods are weird.
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
Naked pods are Weird, Man
I’ve been doing some work with SimKube for a client recently and have run into a bunch of issues with SimKube fixed regarding its handling of bare Kubernetes pods.
blog.appliedcomputing.io
June 1, 2026 at 7:44 PM
This week's post is about all the ways that bare Kubernetes pods are weird.
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
It's new content Monday! My article about SKEL (the SimKube Expression Language) is now available and all you PLT nerds can check it out.
blog.appliedcomputing.io/p/introducin...
#simkube #kubernetes #plt
blog.appliedcomputing.io/p/introducin...
#simkube #kubernetes #plt
Introducing SKEL: The SimKube Expression Language
We just released SimKube 2.5.0, which as I said on Mastodon, feels like a big milestone for mainly “I like round numbers” reasons; but I think this is actually a pretty major release, as it’s the firs...
blog.appliedcomputing.io
April 27, 2026 at 6:31 PM
It's new content Monday! My article about SKEL (the SimKube Expression Language) is now available and all you PLT nerds can check it out.
blog.appliedcomputing.io/p/introducin...
#simkube #kubernetes #plt
blog.appliedcomputing.io/p/introducin...
#simkube #kubernetes #plt
What's SimKube, precious???
www.youtube.com/watch?v=jUE2...
Come chat with me at KubeCon in Atlanta if you want to know more!
cal.com/drmorr/kubecon
www.youtube.com/watch?v=jUE2...
Come chat with me at KubeCon in Atlanta if you want to know more!
cal.com/drmorr/kubecon
whats simkube
YouTube video by Applied Computing Research Labs
www.youtube.com
October 8, 2025 at 5:34 PM
What's SimKube, precious???
www.youtube.com/watch?v=jUE2...
Come chat with me at KubeCon in Atlanta if you want to know more!
cal.com/drmorr/kubecon
www.youtube.com/watch?v=jUE2...
Come chat with me at KubeCon in Atlanta if you want to know more!
cal.com/drmorr/kubecon
In this week's episode we interview @drmorr.appliedcomputing.io about simulating distributed systems, his SimKube project and, of course, Taylor Swift: www.picturemecoding.com/2222783/epis...
Simulating Distributed Systems with David Morrison - Picture Me Coding
Every once in a while you come across a project where you’re like “Oh, dang, wish I’d thought of that”. That’s the case with this week’s guest, David R. Morrison. David is the founder of ...
www.picturemecoding.com
March 12, 2025 at 1:26 PM
In this week's episode we interview @drmorr.appliedcomputing.io about simulating distributed systems, his SimKube project and, of course, Taylor Swift: www.picturemecoding.com/2222783/epis...
This week's blog post is about the work that my students at Harvey Mudd College did to turn SimKube into a reinforcement learning arena for AI agents!
blog.appliedcomputing.io/p/simarena-a...
blog.appliedcomputing.io/p/simarena-a...
SimArena: A reinforcement learning arena for training autonomous Kubernetes AI agents
Happy June, everybody!
blog.appliedcomputing.io
June 15, 2026 at 7:16 PM
This week's blog post is about the work that my students at Harvey Mudd College did to turn SimKube into a reinforcement learning arena for AI agents!
blog.appliedcomputing.io/p/simarena-a...
blog.appliedcomputing.io/p/simarena-a...
I have a quick post about all the ways that bare pods are weird in Kubernetes; currently available for paid subscribers, will open to free subscribers next week!
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
Bare pods are Weird, Man
I’ve been doing some work with SimKube for a client recently and have run into a bunch of issues with SimKube fixed regarding its handling of bare Kubernetes pods.
blog.appliedcomputing.io
May 26, 2026 at 6:41 PM
I have a quick post about all the ways that bare pods are weird in Kubernetes; currently available for paid subscribers, will open to free subscribers next week!
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
blog.appliedcomputing.io/p/bare-pods-...
#kubernetes #k8s #simkube
ACRL's first public postmortem is now available for free subscribers :P
Learn more about how a race condition between cert-manager, the SimKube controller, and a mutating webhook configuration took down our (currently unavailable to the public) CI runner!
blog.appliedcomputing.io/p/postmortem...
Learn more about how a race condition between cert-manager, the SimKube controller, and a mutating webhook configuration took down our (currently unavailable to the public) CI runner!
blog.appliedcomputing.io/p/postmortem...
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.
blog.appliedcomputing.io
December 8, 2025 at 7:39 PM
ACRL's first public postmortem is now available for free subscribers :P
Learn more about how a race condition between cert-manager, the SimKube controller, and a mutating webhook configuration took down our (currently unavailable to the public) CI runner!
blog.appliedcomputing.io/p/postmortem...
Learn more about how a race condition between cert-manager, the SimKube controller, and a mutating webhook configuration took down our (currently unavailable to the public) CI runner!
blog.appliedcomputing.io/p/postmortem...
And that's a wrap for rejekts! Everyone gave some fantastic talks and I really enjoyed speed-running simkube in the lightning talks session! Now I get a little bit of a break before the big conference starts.
#kubernetes #kubecon #Rejekts
#kubernetes #kubecon #Rejekts
November 9, 2025 at 1:21 AM
And that's a wrap for rejekts! Everyone gave some fantastic talks and I really enjoyed speed-running simkube in the lightning talks session! Now I get a little bit of a break before the big conference starts.
#kubernetes #kubecon #Rejekts
#kubernetes #kubecon #Rejekts
I've spent the last six weeks pretending to be a front-end engineer (with a ton of help from @marianamejiadesign.bsky.social). Now the ACRL website looks professional, AND the SimKube website has actual content! No, there is no React involved.
appliedcomputing.io
simkube.dev
appliedcomputing.io
simkube.dev
February 11, 2025 at 5:17 PM
I've spent the last six weeks pretending to be a front-end engineer (with a ton of help from @marianamejiadesign.bsky.social). Now the ACRL website looks professional, AND the SimKube website has actual content! No, there is no React involved.
appliedcomputing.io
simkube.dev
appliedcomputing.io
simkube.dev
Hey look! It's me! I'm new stack famous!
thenewstack.io/simulate-kub...
#kubernetes #k8s #simkube #simulation #newstack #kubecon
thenewstack.io/simulate-kub...
#kubernetes #k8s #simkube #simulation #newstack #kubecon
Simulate Kubernetes Cluster Behavior with SimKube
SimKube can replay a trace from a Kubernetes production cluster in a simulated or development cluster. Good for troubleshooting, parameter testing.
thenewstack.io
December 31, 2023 at 1:17 AM
Hey look! It's me! I'm new stack famous!
thenewstack.io/simulate-kub...
#kubernetes #k8s #simkube #simulation #newstack #kubecon
thenewstack.io/simulate-kub...
#kubernetes #k8s #simkube #simulation #newstack #kubecon
SUUUPER excited about this post. SimKube has a new logo and mascot! Meet Mr. Squidler, the Kubernetes octopus detective.
blog.appliedcomputing.io/p/meet-mr-sq...
#kubernetes #simkube
blog.appliedcomputing.io/p/meet-mr-sq...
#kubernetes #simkube
Meet Mr. Squidler!
Hi, everyone – short post this week!
blog.appliedcomputing.io
October 28, 2024 at 6:13 PM
SUUUPER excited about this post. SimKube has a new logo and mascot! Meet Mr. Squidler, the Kubernetes octopus detective.
blog.appliedcomputing.io/p/meet-mr-sq...
#kubernetes #simkube
blog.appliedcomputing.io/p/meet-mr-sq...
#kubernetes #simkube
For today of you who are curious about how many people fit in the kube, enjoy this linkedin screenshot
#kubecon #kubernetes
#kubecon #kubernetes
November 13, 2025 at 1:58 AM
For today of you who are curious about how many people fit in the kube, enjoy this linkedin screenshot
#kubecon #kubernetes
#kubecon #kubernetes
No blog post this week, because I was on another podcast! This time was Kubernetes for Humans with Itiel Shwartz from Komodor -- check it out! Of course I was talking about SimKube.
www.youtube.com/watch?v=OkvB...
www.youtube.com/watch?v=OkvB...
#046 - Simulating, Scheduling, and Saving: Optimizing Kubernetes with David Morrison (Applied Res...
YouTube video by Komodor
www.youtube.com
July 1, 2025 at 4:42 PM
No blog post this week, because I was on another podcast! This time was Kubernetes for Humans with Itiel Shwartz from Komodor -- check it out! Of course I was talking about SimKube.
www.youtube.com/watch?v=OkvB...
www.youtube.com/watch?v=OkvB...