0e88073882
This change enables the FAST_DIFF feature for backup images stored
via Ceph RBD. It is enabled together with EXCLUSIVE_LOCK and
OBJECT_MAP as required.
With FAST_DIFF enabled, the generation of diffs between images and
snapshots as well as determining the actual data usage of a snapshot
is speed up significantly.
Closes-Bug #1907964
Change-Id: I5e35de28007558267f9215cbac03a38d7c74612c
11 lines
437 B
YAML
11 lines
437 B
YAML
---
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fixes:
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- |
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RBD driver `bug #1907964
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<https://bugs.launchpad.net/cinder/+bug/1907964>`_: Add support
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for fast-diff on backup images stored in Ceph.
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Provided fast-diff is supported by the backend it will automatically be
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enabled and used.
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With fast-diff enabled, the generation of diffs between images and
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snapshots as well as determining the actual data usage of a snapshot
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is speed up significantly. |