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Message #82823
[Bug 1881727] [NEW] Nova retains the 'delta' file for the entire snapshot upload time
Public bug reported:
When the live snapshot happens it setups a 100% copy of the original
file using libvirt/qemu to sync the disk to it using "Shallow" mode
(this is the .delta file). From that .delta file it extracts the image
and uploads it. The delta file remains till the upload completes which
results in 3x space required for each snapshots.
To fix this issue, the .delta file can be removed once the image is
extracted from the .delta file
https://github.com/openstack/nova/blob/stable/pike/nova/virt/libvirt/driver.py#L2007-L2008
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1881727
Title:
Nova retains the 'delta' file for the entire snapshot upload time
Status in OpenStack Compute (nova):
New
Bug description:
When the live snapshot happens it setups a 100% copy of the original
file using libvirt/qemu to sync the disk to it using "Shallow" mode
(this is the .delta file). From that .delta file it extracts the image
and uploads it. The delta file remains till the upload completes which
results in 3x space required for each snapshots.
To fix this issue, the .delta file can be removed once the image is
extracted from the .delta file
https://github.com/openstack/nova/blob/stable/pike/nova/virt/libvirt/driver.py#L2007-L2008
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