The Four Golden Signals, and the Two Everyone Forgets
Latency, traffic, errors and saturation are the canonical four. The pair that actually saves you at 3am are the ones about saturation and time.
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Worth your coffee break
Three pieces we keep coming back to.
cgroups From First Principles: Why Your Container Has No Idea How Big It Is
Containers are not virtual machines. They are a set of kernel bookkeeping rules, and most "container memory" bugs are really cgroup surprises.
Your Base Image Is a Supply Chain Decision, Not a Convenience
Every FROM line is a dependency you never version-pin and rarely scan. A practical model for choosing and maintaining base images.
Spot Instances Are Cheap Until the Wrong Job Lands on One
A 70% discount with a two-minute eviction notice is a great deal for some workloads and a terrible one for others. How to tell which is whic…
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The Four Golden Signals, and the Two Everyone Forgets
Latency, traffic, errors and saturation are the canonical four. The pair that actually saves you at 3am are the ones about saturation and ti…
We Cut CI From 22 Minutes to 6, and Most of It Was Waiting
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cgroups From First Principles: Why Your Container Has No Idea How Big It Is
Containers are not virtual machines. They are a set of kernel bookkeeping rules, and most "container memory" bugs are really cgroup surprise…
Your Base Image Is a Supply Chain Decision, Not a Convenience
Every FROM line is a dependency you never version-pin and rarely scan. A practical model for choosing and maintaining base images.
Spot Instances Are Cheap Until the Wrong Job Lands on One
A 70% discount with a two-minute eviction notice is a great deal for some workloads and a terrible one for others. How to tell which is whic…
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GitOps Changes What Your Pipeline Is Allowed to Do
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