Mitaka is very old at this point. Is this still a problem on newer
releases, like Pike or Rocky?
** Changed in: nova
Status: New => Invalid
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1805887
Title:
Used RAM greater than Available RAM with ram allocation ratio is set
to 0.9
Status in OpenStack Compute (nova):
Invalid
Bug description:
Hello,
We are facing in a production openstack Mitaka a situation where the
used RAM (reported by Nova) is greater than the available RAM
(reported by Nova) and the ram allocation ratio is set to 0.9.
Used ram: 624.5 GB Available:503.8 GB
The real available memory in the compute is 70GB.
Is it something we need to worry about ( Even if all instances in the compute
start using their real allocated memory) ?
We are not able to reproduce this behavior in a test environment.
Environment:
ii nova-common 2:13.1.4-0ubuntu4.2
all OpenStack Compute - common files
ii nova-compute 2:13.1.4-0ubuntu4.2
all OpenStack Compute - compute node base
ii nova-compute-kvm 2:13.1.4-0ubuntu4.2
all OpenStack Compute - compute node (KVM)
ii nova-compute-libvirt 2:13.1.4-0ubuntu4.2
all OpenStack Compute - compute node libvirt support
ii python-nova 2:13.1.4-0ubuntu4.2
all OpenStack Compute Python libraries
Hypervisor: Libvirt + KVM
Storage: Ceph
Netowkring: Neutron + linuxbridge
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