Bug 1993017 - Automatic setting of guaranteed memory ignores memory overcommit
Summary: Automatic setting of guaranteed memory ignores memory overcommit
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: ovirt-engine
Classification: oVirt
Component: RestAPI
Version: 4.4.7
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ovirt-4.4.8
: 4.4.8.5
Assignee: Arik
QA Contact: Polina
URL:
Whiteboard:
Depends On:
Blocks: 1993128
TreeView+ depends on / blocked
 
Reported: 2021-08-12 09:37 UTC by Arik
Modified: 2021-09-03 09:59 UTC (History)
5 users (show)

Fixed In Version: ovirt-engine-4.4.8.5
Clone Of:
Environment:
Last Closed: 2021-09-03 09:59:37 UTC
oVirt Team: Virt
Embargoed:
pm-rhel: ovirt-4.4+
pm-rhel: exception+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1993128 1 high CLOSED [oVirt][Doc] Document guaranteed memory minimal requirements and known issue for RHV 4.4.7 2022-03-24 12:14:40 UTC
Red Hat Issue Tracker RHV-43011 0 None None None 2021-08-12 09:38:12 UTC
oVirt gerrit 116174 0 master MERGED rest-api: consider memory-overcommit when setting min-memory 2021-08-17 17:04:29 UTC
oVirt gerrit 116225 0 ovirt-engine-4.4.8.z MERGED rest-api: consider memory-overcommit when setting min-memory 2021-08-19 16:08:45 UTC
oVirt gerrit 116271 0 ovirt-engine-4.4 MERGED rest-api: consider memory-overcommit when setting min-memory 2021-08-25 11:58:05 UTC

Internal Links: 1993128

Description Arik 2021-08-12 09:37:00 UTC 
The solution to bz 1940529 was to set the guaranteed (min) memory according to the specified memory when the former is not specified in the request to add VM. The problem with the solution that was introduced is that, unlike the webadmin, it ignores memory overcommit and always sets guaranteed-memory=memory.
Comment 1 Arik 2021-08-18 15:33:45 UTC 
Switching back to post since the backport of the fix is not merged yet to the 4.4.8.z branch
Comment 2 Polina 2021-08-30 12:52:33 UTC 
verified on ovirt-engine-4.4.8.5-0.4.el8ev.noarch

according to the attached polarion case https://polarion.engineering.redhat.com/polarion/redirect/project/RHEVM3/workitem?id=RHEVM-27839
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