Re: [openstack-dev] [nova][libvirt] Native AIO mode - RFC

2015-12-01 Thread Silvan Kaiser
Hello! Bumping up this thread as there've been some updates in the specs discussion [1] regarding native AIO stability & performance. Seems there's also movement in the related qemu development (see inline comments). Best regards Silvan [1] https://review.openstack.org/#/c/232514/7/specs/mitaka/ap

Re: [openstack-dev] [nova][libvirt] Native AIO mode - RFC

2015-11-17 Thread Alexander Schmidt
On Tue, 17 Nov 2015 11:14:29 +0100 Alexander Schmidt wrote: > Hi all, > > I started a blueprint [1] and spec [2] for enabling the usage > of native AIO mode for disk devices. The idea is to enable it > for storage backends/setups where IO performance benefits from > using native AIO mode and whe

[openstack-dev] [nova][libvirt] Native AIO mode - RFC

2015-11-17 Thread Alexander Schmidt
Hi all, I started a blueprint [1] and spec [2] for enabling the usage of native AIO mode for disk devices. The idea is to enable it for storage backends/setups where IO performance benefits from using native AIO mode and where no downsides are known wrt stability or data integrity. As there is a