On February 26, 2020 4:05:22 PM GMT+02:00, Florian Schmid <[email protected]> wrote: >Good afternoon, > >after rebooting all the VMs, the CPU load of the engine is ok now. > >I think this high CPU usage is coming from this new feature, that you >see on a VM with orange triangle, what will be changed after power >cycle. >Actually, this is a nice feature, but it brings down an engine, when >all VMs need a reboot. After an upgrade for example. > >Is there a possibility to avoid this? How should I upgrade an oVirt >environment with 1000s of VMs? The engine would be unusable. > >BR Florian > > > > >Von: "Florian Schmid" <[email protected]> >An: "users" <[email protected]> >Gesendet: Freitag, 7. Februar 2020 08:13:05 >Betreff: [ovirt-users] Re: Huge increase of CPU load on hosted engine >VM after upgrade to 4.3.8 and cluster compatibility version > >Hi, > >no, fortunately, the bug didn't came back. > >It looks like, that the engine needs its time to settle after changing >the cluster compatibility version. After about 2 hours, the CPU load >was as low as before. >The time to load the VM UI takes a little bit more time, but I think >this is also normal, because all VMs still have the orange triangle and >need a reboot. > >Sorry for the false positive, but I was really afraid about the high >load. > >BR Florian > > >Von: "p staniforth" <[email protected]> >An: "Florian Schmid" <[email protected]>, "users" <[email protected]> >Gesendet: Donnerstag, 6. Februar 2020 18:22:51 >Betreff: Re: Huge increase of CPU load on hosted engine VM after >upgrade to 4.3.8 and cluster compatibility version > >Has this bug come back > >engine.log flooded with "Field 'foo' can not be updated when status is >'Up'" > >[ >https://lists.ovirt.org/archives/list/[email protected]/thread/MKFQRCKHRT6NJUHF7URJTQG753MND6PJ/?sort=date >| >https://lists.ovirt.org/archives/list/[email protected]/thread/MKFQRCKHRT6NJUHF7URJTQG753MND6PJ/?sort=date >] > >Regards, > >Paul S. > >From: Florian Schmid <[email protected]> >Sent: 06 February 2020 15:53 >To: users <[email protected]> >Subject: [ovirt-users] Huge increase of CPU load on hosted engine VM >after upgrade to 4.3.8 and cluster compatibility version >Caution External Mail: Do not click any links or open any attachments >unless you trust the sender and know that the content is safe. > >Hi, > >I have upgraded yesterday one of our ovirt environments from 4.2.8 to >4.3.8. >We have a hosted engine, 25 hosts and about 150 VMs running there. > >After upgrading the cluster compatibility version from 4.2 to 4.3, I >have seen a huge increase of CPU load on the engine VM. >The engine had 4 cores (16GB mem) and never had load issues, but after >the upgrade, the system has a load of 6 and more. I have increased the >CPUs to 8, because working in the UI was impossible. > >I have noticed, that the load always increase, when I load the VM UI >tab, where now all VMs have the orange triangle with pending changes: >Custom compatibility version > >The problem I have, is, that I can't reboot now all VMs, maybe in the >next 3 or 4 weeks. >Working now with the UI is quite problematic, because of the slowness. > >The engine VM was already rebooted, but didn't solve the problem. > >What logs do you need and is there a workaround available? I have some >more oVirt environments to upgrade, all with even more VMs. > >BR Florian >_______________________________________________ >Users mailing list -- [email protected] >To unsubscribe send an email to [email protected] >Privacy Statement: [ >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ovirt.org%2Fsite%2Fprivacy-policy%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074511312&sdata=wQAhPwaKrYVwjTorzE0CKjs43uPjGuyJX8T0ceJwMBc%3D&reserved=0 >| >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ovirt.org%2Fsite%2Fprivacy-policy%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074511312&sdata=wQAhPwaKrYVwjTorzE0CKjs43uPjGuyJX8T0ceJwMBc%3D&reserved=0 >] >oVirt Code of Conduct: [ >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ovirt.org%2Fcommunity%2Fabout%2Fcommunity-guidelines%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074516304&sdata=n6GIoSEuBbfNYLfqMvJD5aszsSV0vftLMdOtStg3hFo%3D&reserved=0 >| >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ovirt.org%2Fcommunity%2Fabout%2Fcommunity-guidelines%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074516304&sdata=n6GIoSEuBbfNYLfqMvJD5aszsSV0vftLMdOtStg3hFo%3D&reserved=0 >] >List Archives: [ >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.ovirt.org%2Farchives%2Flist%2Fusers%40ovirt.org%2Fmessage%2FOQYXCKCJGCDP6EJTXV5T6Z63SIQYEVXD%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074516304&sdata=%2B1GDKaTB2TpU%2F0Y7bWMyZhLOotk3knBwk%2FjMqipZ9Kg%3D&reserved=0 >| >https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.ovirt.org%2Farchives%2Flist%2Fusers%40ovirt.org%2Fmessage%2FOQYXCKCJGCDP6EJTXV5T6Z63SIQYEVXD%2F&data=02%7C01%7Cp.staniforth%40leedsbeckett.ac.uk%7C15e021512d1e4471aa8608d7ab1e90c1%7Cd79a81124fbe417aa112cd0fb490d85c%7C0%7C0%7C637166020074516304&sdata=%2B1GDKaTB2TpU%2F0Y7bWMyZhLOotk3knBwk%2FjMqipZ9Kg%3D&reserved=0 >] >To view the terms under which this email is distributed, please go to:- > >[ http://leedsbeckett.ac.uk/disclaimer/email/ | >http://leedsbeckett.ac.uk/disclaimer/email/ ] > > > >_______________________________________________ >Users mailing list -- [email protected] >To unsubscribe send an email to [email protected] >Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >oVirt Code of Conduct: >https://www.ovirt.org/community/about/community-guidelines/ >List Archives: >https://lists.ovirt.org/archives/list/[email protected]/message/UKNO26UNMQOSBO3WG7B3AUHA2GNNVK2Y/ >
Hi Florian, Does the API work during this high load status ? Best Regards, Strahil Nikolov _______________________________________________ Users mailing list -- [email protected] To unsubscribe send an email to [email protected] Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/[email protected]/message/ITIATRG6B5NKGOAIJQIQERPIB5NKCOBH/
