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feat(k8s): Add resource limits to all per-instance resources #1842
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theosanderson
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May 10, 2024
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Thanks
corneliusroemer
changed the title
Add resource limits to prevent swapping
feat(k8s): Add resource limits to all per-instance resources
May 10, 2024
corneliusroemer
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May 10, 2024
Setting resource limits is good for 2 reasons: - Java containers set the heap size based off how much memory they have available. No limits mean they think they've got the whole machine. Setting limits fixes this effectively. Backend memory usage goes down from 3GB to 500MB. Finally things get garbage collected. - Step towards limiting swapping which currently can happen. We want to prioritize central services and non-kubernetes resources over preview deployments. I set memory requests and limits for all, but only cpu requests, as cpu limits are not very useful (we are not CPU limited usually and throttling works well usually). (cherry picked from commit ead6afc)
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preview URL: https://limits.loculus.org
Summary
Setting resource limits is good for 2 reasons:
I set memory requests and limits for all, but only cpu requests, as cpu limits are not very useful (we are not CPU limited usually and throttling works well usually).