[openstack-dev] [nova] [libvirt] [scaleio] ScaleIO libvirt volume driver native mode

Bal√°zs Gibizer balazs.gibizer at ericsson.com
Mon Jan 8 14:59:06 UTC 2018


Hi,

Two years ago a patch merged [1] that set AIO mode of some of the 
libivrt volume drivers to 'native' instead of the default 'threading'. 
At that time the ScaleIO driver was not modified. Recently we did some 
measurements (on Mitaka base) and we think that the ScaleIO volume 
driver could also benefit from the 'native' mode. So in Rocky we would 
like to propose a small change to set the 'native' mode for the ScaleIO 
volume driver too. Does anybody have opposing measurements or views?

Cheers,
gibi

[1] https://review.openstack.org/#/c/251829/


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