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add nested virtualization optimizations like 'choom', 'vmtouch', possibly 'renice' #248

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ssenator opened this issue May 24, 2021 · 0 comments
Open

add nested virtualization optimizations like 'choom', 'vmtouch', possibly 'renice' #248

ssenator opened this issue May 24, 2021 · 0 comments
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beneficial/enabler Fixing this issue will enable multiple capabilities or provide benefit beyond the immediate problem.

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When running in a nested virtualization environment, external load, esp. I/O, RAM usage or multitennant loads can impact performance severely. Within the hosting node, consider using influencer mechanisms, if available, to set OOM and scheduling policy, including 'choom', 'renice', 'vmtouch' or similar.

Ref: https://github.com/hoytech/vmtouch
@ssenator ssenator added the beneficial/enabler Fixing this issue will enable multiple capabilities or provide benefit beyond the immediate problem. label May 24, 2021
@ssenator ssenator changed the title add nested virtualization optimizations like 'choom', possibly 'renice' add nested virtualization optimizations like 'choom', 'vmtouch', possibly 'renice' May 24, 2021
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beneficial/enabler Fixing this issue will enable multiple capabilities or provide benefit beyond the immediate problem.
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