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What is the rationale behind nova flavors?

asked 2019-08-23 08:09:46 -0500

dr4Ke gravatar image

I wonder why flavors are used, instead of independent parameters for vCPU, RAM and disk. I can't find an explanation or a discussion leading to this choice.

EDIT: I've found https://ask.openstack.org/en/question/7205/why-does-openstack-use-flavor-in-apis/ (this question) where some explanation has been given. Is there more to know?

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Hello, You can use extra properties on flavor => exemple Host-Agregate => cinder storage type etc..

chalans gravatar imagechalans ( 2019-08-23 15:26:40 -0500 )edit

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answered 2019-08-25 09:59:27 -0500

This is my first day to work with open stack so my answer might be not very accurate. I think they use it as it could help the host to plan for their resources usage up in front. Also, because the host did calculate the price for each flavor.

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Asked: 2019-08-23 08:04:34 -0500

Seen: 32 times

Last updated: Aug 23