Hello Mathias,
                        I also had this problem, the flood of warning messages 
was most notably generated when showing all the VMs running from the admin 
portal dashboard as we had 70 VMs running this generated the following but for 
all 70 VMs. I was able to restart most of the VMs otherwise the admin portal 
became unusable.
I don't recall this being a problem upgrading from 4.1 to 4.2

Regards
                Paul S.

2019-08-13 11:44:36,771+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'customCompatibilityVersion' can 
not be updated when status is 'Up'
2019-08-13 11:44:36,771+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'exportDate' can not be updated 
when status is 'Up'
2019-08-13 11:44:36,771+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'managedDeviceMap' can not be 
updated when status is 'Up'
2019-08-13 11:44:36,771+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'ovfVersion' can not be updated 
when status is 'Up'
2019-08-13 11:44:36,772+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'balloonEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:36,772+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'watchdog' can not be updated when 
status is 'Up'
2019-08-13 11:44:36,773+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'rngDevice' can not be updated 
when status is 'Up'
2019-08-13 11:44:36,774+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'soundDeviceEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:36,774+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'consoleEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:36,775+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'virtioScsiEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:36,776+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[936d48c4-76c6-4363-85f0-7147923bbb2f] Field 'graphicsDevices' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,490+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'customCompatibilityVersion' can 
not be updated when status is 'Up'
2019-08-13 11:44:39,490+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'exportDate' can not be updated 
when status is 'Up'
2019-08-13 11:44:39,490+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'managedDeviceMap' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,490+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'ovfVersion' can not be updated 
when status is 'Up'
2019-08-13 11:44:39,490+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'balloonEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,491+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'watchdog' can not be updated when 
status is 'Up'
2019-08-13 11:44:39,492+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'rngDevice' can not be updated 
when status is 'Up'
2019-08-13 11:44:39,493+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'soundDeviceEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,493+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'consoleEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,494+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'virtioScsiEnabled' can not be 
updated when status is 'Up'
2019-08-13 11:44:39,495+01 WARN  
[org.ovirt.engine.core.utils.ObjectIdentityChecker] (default task-855) 
[0b246c13-223f-4728-b988-5da34139aeb2] Field 'graphicsDevices' can not be 
updated when status is 'Up'

________________________________________
From: Matthias Leopold <matthias.leop...@meduniwien.ac.at>
Sent: 09 August 2019 19:11
To: users
Subject: [ovirt-users] engine.log flooded with "Field 'foo' can not be updated 
when status is 'Up'"

Hi,

I updated my production oVirt environment from 4.3.3 to 4.3.5 today.
Everything went fine so far, but there's one annoying phenomenon:

When I log into the "Administration Portal" and request the VM list
("/ovirt-engine/webadmin/?locale=en_US#vms") engine.log is flooded with
lines like

WARN  [org.ovirt.engine.core.utils.ObjectIdentityChecker] (default
task-10618) [54d8c375-aa72-42f8-876e-8777d9d1a08a] Field
'balloonEnabled' can not be updated when status is 'Up'

"Field", task and UUID vary and the flood stops after a while. Also
listing or trying to edit other entities seems to trigger this "storm"
or loop over and over again to a point that log file size is becoming an
issue and interface is becoming sluggish. I can also see that CPU usage
of engine java process goes up. When I log out everything is quiet and
"VM Portal" is not affected at all.

I have seen lines like that before and know that they are usually OK
(when changing VM properties), but these logs used to be linked to
singular events. I suspect that the present behaviour might be linked to
VMs that have "Pending Virtual Machine changes", which are in most cases
"Custom Compatibility Version" changes that still stem from the upgrade
to Cluster Version 4.3. I can't be sure and I can't resolve all these
pending changes now, but these should not be causing such annoying
behaviour in the first place.

I resorted to setting engine log level to "ERROR" right now to at least
stop the log file from growing, but this not a solution. I can still see
CPU load going up when using the interface. I very much hope that
someone can explain whats happening and tell me how to resolve this.

thanks a lot
Matthias
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