Kubernetes stale reads, with Madhav Jivrajani

9 snips

Feb 9, 2024

We talk with Madhav Jivrajani, an engineer at VMware and a tech lead in SIG Contributor Experience, about a recent post on social media regarding a stale reads issue in Kubernetes and what the community is doing about it. We also discuss the role of contributor experience and GitHub administration, the importance of academic research in Kubernetes, and reflections on Eric Brewer and the CAP Theorem.

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INSIGHT

Stale Reads Issue

Kubernetes uses etcd and a caching layer for scalability, leading to stale data issues.
This can cause controllers to take destructive actions based on outdated information.

INSIGHT

Issue Longevity

The stale reads issue in Kubernetes has existed since 2018.
Work has been done to mitigate its impact, but the problem persists.

ANECDOTE

Academia and Kubernetes

Madhav Jivrajani expresses excitement for academic interest in systems like Kubernetes.
He highlights research from UIUC and VMware that helps automatically test controllers and find rare bugs.

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