Hi all,


  I upgraded our installation from 4.2.8 to 4.3.4 and I am unable to access the 
dashboard in UI as there is only "Loading data..." displayed. There are 
postgres processes running on the engine taking 100% cpu. One is running for 
more than 14 hours:



SELECT name, AVG(total) AS total, AVG(used) AS used, MAX(previous_used) AS 
previous_used, MAX(previous_total) AS previous_total, MAX(vm_disk_

usage_percent) AS usage_percent FROM (SELECT history_datetime, vms.vm_name AS 
name, SUM(vm_disk_size_mb) AS total, SUM(vm_disk_actual_size_mb) AS used, 
COALESCE(MAX(previous_actual_size), 0)

AS previous_used, COALESCE(MAX(previous_total_size), 0) AS previous_total, CASE 
WHEN MAX(vm_disk_size_mb) = 0 THEN 0 ELSE (CAST(MAX(vm_disk_actual_size_mb) AS 
DECIMAL)/ MAX(vm_disk_size_mb) *

100) END AS vm_disk_usage_percent FROM 
v4_2_statistics_vms_disks_resources_usage_samples samples INNER JOIN 
v4_2_latest_configuration_vms_devices devices ON devices.device_id = vm_disk_id 
IN

NER JOIN v4_2_latest_configuration_vms vms ON vms.vm_id = devices.vm_id INNER 
JOIN v4_2_latest_configuration_vms_disks disks ON disks.vm_disk_id = 
samples.vm_disk_id LEFT OUTER JOIN (SELECT v

m_name, AVG(previous_actual_size) AS previous_actual_size, 
AVG(previous_total_size) AS previous_total_size FROM (SELEC

13783 | 2019-06-15 08:41:52.349769+02 | active | SELECT name, AVG(total) AS 
total, AVG(used) AS used, MAX(previous_used) AS previous_used, 
MAX(previous_total) AS previous_total, MAX(vm_disk_

usage_percent) AS usage_percent FROM (SELECT history_datetime, vms.vm_name AS 
name, SUM(vm_disk_size_mb) AS total, SUM(vm_disk_actual_size_mb) AS used, 
COALESCE(MAX(previous_actual_size), 0)

AS previous_used, COALESCE(MAX(previous_total_size), 0) AS previous_total, CASE 
WHEN MAX(vm_disk_size_mb) = 0 THEN 0 ELSE (CAST(MAX(vm_disk_actual_size_mb) AS 
DECIMAL)/ MAX(vm_disk_size_mb) *

100) END AS vm_disk_usage_percent FROM 
v4_2_statistics_vms_disks_resources_usage_samples samples INNER JOIN 
v4_2_latest_configuration_vms_devices devices ON devices.device_id = vm_disk_id 
IN

NER JOIN v4_2_latest_configuration_vms vms ON vms.vm_id = devices.vm_id INNER 
JOIN v4_2_latest_configuration_vms_disks disks ON disks.vm_disk_id = 
samples.vm_disk_id LEFT OUTER JOIN (SELECT v

m_name, AVG(previous_actual_size) AS previous_actual_size, 
AVG(previous_total_size) AS previous_total_size FROM (SELEC...



oVirt Engine is configured with 128 GB memory and 24 cores.



Please advice how to adress this.



Thank you and all the best,

Oliver



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