On Mon, Sep 11, 2017 at 2:02 PM, Francesco Romani <fromani@redhat.com> wrote:
Hi everyone,
https://gerrit.ovirt.org/#/q/topic:drivemonitor_event+status:open is ready for review. It is the first part of the series needed
to consume the BLOCK_THRESHOLD event available with libvirt >= 3.2.0 and QEMU >= 2.3.0.
Once completed, this patchset will allow Vdsm to avoid polling, thus greatly improving the system performance and
eventually close https://bugzilla.redhat.com/show_bug.cgi?id=1181665
Please note that:
1. CI fails because the workers are not yet updated to CentOS 7.4 (not yet released AFAIK!) which will provide libvirt >= 3.2.0.
You probably know that already, but just to be sure, please wait for official CentOS 7.4 be out and that we'll verify OST works well with it before merging, otherwise any patch that will be merged afterwards will fail and CI won't work. AFAIK, it should be out this week.
2. Few more simple patches will be needed to enable/disable monitoring in specific flows where we cannot use events (e.g. LSM)
3. I did initial verification successfully, installing fedora 25 on thin provisioned disk without issue.
-- Francesco Romani Senior SW Eng., Virtualization R&D Red Hat IRC: fromani github: @fromanirh
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