[nova][ptg]Support volume local cache
8 Nov
2019
8 Nov
'19
7:32 a.m.
spec: https://review.opendev.org/#/c/689070/
TODOs:
LiangFang to update the spec based on the discussion in the room[1]: * use traits to driver scheduling. The cache is not sliced per instance so it cannot be a resource class * document the alternative between doing a hard scheduling decision or only implement caching as a best effort optimization for the guest. * document the alternative to do the whole cache management on libvirt (or QEMU) level
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Balázs Gibizer