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bgrant0607's profile
Brian Grant
Brian Grant
Brian Grant
@bgrant0607

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Brian Grant

@bgrant0607

Google Cloud. Kubernetes Steering Committee emeritus, K8s SIG Architecture co-Chair emeritus, CNCF TOC member emeritus

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github.com/bgrant0607
Joined June 2014

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    1. Brian Grant‏ @bgrant0607 1 Aug 2018
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      • Report NetzDG Violation

      PSA: Use #K8s pod resource requests to prevent too many pods from being scheduled on the same node, resource limits to ensure containers don't use unlimited amounts of resources, and LimitRange to apply minimum and maximum requests and limits to each pod within a namespace

      2 replies 25 retweets 76 likes
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    2. Brian Grant‏ @bgrant0607 1 Aug 2018
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      There are some blog posts (e.g., https://kubernetes.io/blog/2016/08/security-best-practices-kubernetes-deployment/ …) which have led to a misunderstanding of ResourceQuota, which bounds aggregate usage by all pods within a namespace, as well as limits on numbers of objects.

      2 replies 0 retweets 9 likes
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    3. Justin Nauman‏ @jrnt30 2 Aug 2018
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      Replying to @bgrant0607

      We were just talking about introducing some automation around this. If a deployments request is less than X % of the limit to flag it. We have had a few Kubelets crash due to improper requests not representing reality. Would be a good admission controller.

      1 reply 0 retweets 0 likes
      Brian Grant‏ @bgrant0607 3 Aug 2018
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      Replying to @jrnt30

      You can enforce this via maxLimitRequestRatio. https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#limitrangeitem-v1-core …

      11:51 AM - 3 Aug 2018
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      • Justin Nauman
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        1. Justin Nauman‏ @jrnt30 6 Aug 2018
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          Replying to @bgrant0607

          Oh perfect. Thanks for the tip, totally missed that!

          0 replies 0 retweets 0 likes
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