OpenStack Compute (nova)

Freeing memory before exit when using memory-backend-file

Registered by Sahid Orentino

When memory is backed on file, libvirt 4.4.0 adds support to discard memory content before instance shuts down. This is only supported by QEMU/KVM.

This is dependent of blueprint libvirt-file-backed-memory

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
Sahid Orentino
Direction:
Needs approval
Assignee:
Sahid Orentino
Definition:
Obsolete
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
melanie witt

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As discussed in the #openstack-nova IRC channel today: because libvirt 4.4.0 is soon to be released (during the rocky cycle), we can just roll the discard change into the original blueprint libvirt-file-backed-memory once libvirt 4.4.0 is available. Just tag the patch with something like "Part of blueprint libvirt-file-backed-memory" when libvirt 4.4.0 is out. -- melwitt 20180530

(?)

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